Someone is Watching You

Posted On Thursday September 29, 2005 by Felix Adebayo @ 7:32 am
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To enjoy and maximally utilise your camera phone, you will need to be careful in selecting the right one with the right features otherwise you will find in your hands a device that failed to perform to your expectation, and no more than a toy. It is safe to assume that the higher the cost of your megapixel camera phone, the better the image quality you will get from it. According to a popular saying, "The difference between a man’s toy and boy’s toy is the cost". An expensive camera phone is a man’s toy.

The Bright Side of Using a Camera Phone
A camera comes in handy in any of the following situations:

You ran into an old friend unexpectedly either in a meeting, conference or a social gathering. Within a few seconds, you can have his picture in your camera phone and email it or MMS it to another friend or family member.

You came across an item in a store that you want to describe to a friend who is somewhere else; you can just take the picture with your camera phone and send it as an MMS to your friend.

If your customer is requesting that pictures samples of items should reach him/her immediately, just snap them with your camera phone and send each as MMS to your customer immediately.

You can quickly capture a rare scene (like a celebrity just walked past you) if you have your camera phone with you.

You can play the detective or spy on someone with your camera phone.

If another vehicle hit your car, you can quickly use your camera phone to document the scene before clearing your vehicles for other vehicles to pass.

The Dark Side of a Camera Phone

Spying
Mike even though married still plays around with girls within and without his office. He was so clever that his wife Sade was ignorant of all his escapades. However, luck ran out of him one day when his wife confronted him with a picture she received in her email box. It was a picture of Mike in a certain amorous posture with another woman. The picture was certainly taken during the last end-of-the year party staged by Mike’s company where a lot of good food and wine flowed freely. Obviously, an angry or jealous individual has snapped the picture of Mike with the lady in question, using a camera phone and mailed it to Sade. As to how that individual knows Sade’s email address, it is difficult to say. However, that incident almost cost him his marriage. So, in essence, a camera phone can be used to spy on you without your knowledge.

Identity Thief
Consider the situation when you brought out your credit card in a shopping mall or an internet cafe, and without your knowledge, the guy behind you, who is a credit card identity thief, surreptitiously photographed your credit card details, using his camera phone. That could lead to a serious problem.

Notwithstanding these negative aspects of camera phones, it has come to stay. This can be judged by the way camera phones are being purchased daily, and the way cell phone manufacturers are putting more megapixels into their camera phones.

Before closing this post, I will like to ask you these questions: Do you own a camera phone? What model is it and what do you do with the pictures taken with your camera phone?

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Sony Ericsson W800 2MP Camera Phone

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The World of Phones + Pixels

Posted On Monday September 26, 2005 by Felix Adebayo @ 10:12 am
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The cell phone is one of the most used gadgets and consumer electronics in the world. It is widely acceptable because it needs no special training to use it. It is equally adaptable to the old and the young, the educated and the illiterates. Nowadays, the cell phone is packing an extra punch by being able to dual-function as a digital camera or camcorder.

Many people are apt to buy a cell phone because of its camera features. There is a thrill of having a mobile handset and a camera all in one device, and within affordable cost. Eventually, many people get disappointed because the quality of the images they get from the camera is less than satisfactory. They failed to consider certain things.

Consult Before Buying
A colleague in my office recently purchased a camera phone and sought my assistance to download to her PC certain pictures she took at a wedding she attended during the weekend.  We connected the serial cable that came with the camera to the PC and Windows XP failed to detect the cable automatically. I asked for the software CD that came with the phone, and she replied that there is none.

I downloaded the driver from the manufacturer’s website, installed and rebooted. Finally, we were able to download the pictures, but they are just too small, more like thumbnails. She wanted to print them, but they came out tiny on the paper. She tried enlarging the pictures, but they end up coming out grainy and unattractive. She had almost a hundred of those pictures on the phone with the hope of printing some and sending them to her friends. You can imagine her disappointment.

VGA or Megapixel?
Before you buy a camera phone, must have in mind what you want to do with the pictures that you are going to be taking. This will determine whether you are buying a phone with a VGA camera or megapixel camera. A VGA camera phone has a resolution of 640 x 480 pixels, approximately 0.3 megapixel. Sometimes it can be more or less. For example, the new Nokia 8800 cell phone came with SVGA camera with a resolution of 800 x 600 (about 0.5 MP). Most camera cell phones being sold now have a VGA camera with the exception of a few megapixels one. The popular Nokia 9500, Sony Ericsson P910i are both VGA camera phones.

A megapixel camera phone has a total resolution of at least one million. The higher the resolution, the greater the quality of the image that will be produced. We have quite a handful of cell phones now that are equipped with megapixels cameras. I will mention just a few:

  • Nokia 7610/7710 (1152 x 864 pixels) = 1 MP
  • Sony Ericsson S700i (1280 x 960 pixels) = 1.3 MP
  • Pocket PCs i-Mate JAM & Eten M500 (1280 x 960 pixels) = 1.3MP
  • Nokia N90/N91 (1600 x 1200 pixels)= 2 MP
  • Sony Ericsson W800/K750i (1632 x 1224 pixels) = 2 MP

 
When a VGA Camera Phone is Suitable
It is all right to buy a VGA camera phone if you just want to do any or combination of the under listed with the picture you will be taking:

  • You just want to view the pictures on your phone screen
  • You want to send the pictures as MMS to friends and families
  • You want to send the pictures as email attachments
  • You will be using the pictures as images on your websites
  • You want to use the pictures for catalogue of items you sell in your store.

If you will be using the pictures for anything outside any of the above-mentioned, then a VGA camera phone may not be suitable for you.

Why Megapixel?
However, you will need at least a megapixel camera phone if you will be using the pictures for any of the under listed:

  • You want to print at least a 4" x 6" size of the picture
  • You want to create a digital photo album from the pictures
  • You want to make a screen saver out of the pictures.

Any picture less  than a megapixel size will not be suitable for any of the above-mentioned.

Before Buying Your Camera Phone
Before buying your camera phone, it is important to put the following into consideration:

  • A megapixel camera phone is much better than a VGA one
  • A camera phone that has a memory card slot is preferable as that allows you to expand the memory and take more pictures.
  • A camera phone with a USB connection is better and faster than a serial connection for transferring your pictures to your PC.

The Bottom Line
A candid advice is that you should buy a phone for the phone’s sake and not because of the camera. Do not buy a phone because of its camera otherwise, you will be setting yourself up for a big disappointment. If you really need a digital camera, then by all means get a very good one and enjoy your photo adventure. A phone will always be a phone no matter how integrated it is. It can never match the capabilities and the qualities of a full-fledged digital camera.  Nokia N90 The Nokia N90 2MP Camera Phone 

Comment: 6

Wi-Fi: Wireless Intrusion?

Posted On Tuesday September 20, 2005 by Felix Adebayo @ 11:47 am
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The whole world is now going wireless courtesy of the mobile and wireless technologies that surround us - mobile phones, computer input/output devices,  internet connection, wireless LAN, bluetooth audios, etc. These make our lives easier as they eliminate the use of cables that are sometimes untidy and cumbersome. But wireless connections also have it’s own associated risk, which is mainly security, because if it is not properly setup, with just a few click of buttons, any outsider with the right device will be connected to it within a few minutes.

Free Browsing
Recently I visited a lawyer classmate of mine in his Victoria Island office in Lagos. I met him browsing the internet on his Wi-Fi enabled laptop. The last time I visited him, he has no internet connection in his office. So I said, "Congratulation, I can see that you now have internet connection in your office". To which he replied, smiling at me, "I have not subscribed for any internet service yet". "Then how come that you are browsing the internet on your laptop?” I asked, a little bit puzzled. He replied, "I came to the office a few days ago, and I discovered that I can browse the internet on my laptop".

I pulled a chair close to him. "Tell me more", I said. Then he proceeded to explain to me how his laptop network connection wizard displayed a message that a wireless network has been detected, and he simply followed the computer instructions by repeatedly clicking the Next button. He further explained that there are sometimes that he could not browse, like when he worked late or on some weekends.

A close observation of his network configuration revealed to me that the Wi-Fi of his laptop has connected to a nearby corporate wireless LAN. Obviously, the Wi-Fi switch of his Toshiba laptop has been permanently on. A closer observation also revealed that he could browse some computers on the Network Neighbourhood of the corporate network, and have access to some shared folders on the network. This is something that is not supposed to happen.

As I drove back to my office that day, several thoughts raced through my mind. What happen if the guy is a hacker or somebody with a malicious intent? He could have done much havoc to the network he gained access to.



Employees & Smart Devices

Consider the situation where the employees of an organisation acquire smartphone devices and PDAs for their personal use, and many of these devices came integrated with Wi-Fi for access to a wireless network. Normally, these employees will want to integrate these smart devices into their work areas to enable them synchronise their emails and contacts, and to upload and download photos and other files. This brings about some serious security issues, especially if these employees concerned are not security conscious or IT professionals. In a situation where an organisation deployed a wireless network without adequate security and a visitor from a competing firm walks into the reception or premises of the company with his Wi-Fi enabled laptop or smartphone and was able to gain access to some classified information.

I know it is not unusual to connect to the wireless internet of home users around your neighbourhood, by snooping for hotspots to connect your Wi-Fi enabled laptop or phone to. This is because the average home-internet user does not normally bother about security. This is not so for corporate wireless network as they have much to lose if hackers or the wrong people have access to their network.

The Secure Way

Firewalls are to keep outsiders from being able to connect to systems within a corporate or home network. A firewall can be hardware, software, or a mixture of both. Most broadband routers used for home internet have firewalls built into them, which is a first line of defence against unwanted intrusion. Software firewalls are generally more feature-rich and easier to configure. Both of them can co-exist in the same network by proper configuration.

Another way is to enable access to your wireless network only by the MAC addresses of computers in your network. The MAC address is a physical unique address given to each device and so it is difficult for any outside computer or device to connect to your network if the MAC address is not specified. The MAC address can be found underneath your machine. Alternatively, you can use the ipconfig /all command to find your MAC address from your Windows XP or Winipconfig command in Windows 98 systems.

Apart from the above, a corporate policy needed to be in place and enforced in every organisation as to the use and deployment of mobile and smart devices in corporate networks. Undoubtedly, this is a great challenge to the Chief Security Officer (CSO) of every organisation, but it is a task that must be done if we have to address the issue of security and wireless devices in our places of work.

 Compaq iPAQ PPC

A Compaq iPaq Pocket PC With Wireless Adaptor & Stylus 

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A Day Without Your Cellphone

Posted On Friday September 16, 2005 by Felix Adebayo @ 8:22 am
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Have you ever lost touch with your cellphone for one or more days? Maybe you misplaced it, or left it at home, or something similar to that. Maybe the phone is damaged and while it is being repaired, you have no alternative handset to use. How do you feel and how do you cope without the use of your phone during those times? Are you one of those people that cannot do with his or her phone even for a few hours?

Sometimes ago, I thought I have my phone with me in my car, forgetting that at the last moment just before pulling out, I went back inside my house with my phone, to take something, thereby leaving the phone inside. Before I reached my office, I visited three other places. It was while I was in the third office that I discovered I did not have my phone with me. I went back to the car, no phone, I borrowed somebody’s phone to call the line, and it rang but no answer. I was sure I left home with it. I went back to the last two places I visited; they did not see any phone.

That day in the office was one of my worst days. I thought of how many calls I have lost. What happened to my phone? Where is it? Has it been stolen? How do I find money to replace it? Why should this happen to me? I started asking myself many questions in the height of my perplexity. All the people I wanted to call, I could not call them, as their numbers are stored in the phonebook. It was as if a vital part of me was missing.

You can imagine my joy God when I got home later in the day, when I found it lying inside my wardrobe, with so many missed calls and text messages. I grabbed it with Joy. You never know the value of what you have until you missed it.

Have you ever missed your phone for a considerable time or days? What happened and how did you cope during those periods? Where you initially sad and blamed yourself, but afterward consoled yourself that at least it will be less stress for you when people cannot always track you down? If someone is to offer you $10 for every day you switched off your phone, will you be ready to switch off your phone for a month? Just how much do you value your phone?

 Nokia 6230

 

 

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Laptop or Palmtop?

Posted On Monday September 12, 2005 by Felix Adebayo @ 10:26 am
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Judging by the amount of computing power packed into the current generation of handheld devices, the computer notebook or laptop market will suffer some setbacks eventually. I am not saying that the smartphones and PDAs (palmtop devices) will replace the laptops, but it will definitely affect the decision as to whether to buy a laptop or a smartphone in the very near future.

A Desktop Laptop

A friend was unfortunate to have his office bugled by robbers one night a few months ago. Apart from other valuables, the thieves made away with his newly purchased Toshiba Satellite laptop, which he usually leaves in the office at the close of the day. He does not carry it home since he has no use of it again after office hours.

Luckily for he him, he insured his office premises and properties. While the insurance company was still doing their paper works, he purchased a cloned desktop PC to get his work going, since he could not afford to purchase another laptop so soon.

About a month ago, after the insurance company has settled his claim, he asked me whether he should purchase another laptop or not, since he already has a desktop PC. I told him not to purchase a laptop again, but to go for a Communicator or a Pocket PC. He wanted to know why since he already has a phone (which is not a smartphone anyway). I then answered him like this:

Why Pocket PC?
You are better off with Pocket PC or Communicator because:
  1. You already have a desktop computer at home or in the office
  2. You hardly use your laptop outside your office
  3. You do not normally travel with laptops
  4. With a Pocket PC or Communicator, you can create and edit Word and Excel documents anytime anywhere, just like a PC
  5. It is easy to transfer files and documents between your computer and Pocket PC.

Eten M500
Eventually, after giving him several suggestions, he settled for Eten M500 Pocket PC. It is a 65k colour touch-screen, 240 x 320 pixels device, powered by a 400 MHZ processor. It boasts of 128MB flash ROM and 64MB SDRAM. This will seriously compete with any Pentium II or Pentium III desktop computer anytime in terms of processing power.  Talk about a PC in your pocket!

The Eten M500 has a 1.3MP camera, bluetooth, Infrared, GPRS, and USB support.
Among others, it has the following software installed: Pocket Office (Word, Excel & Outlook), e-Books Reader, internet Explorer, Windows Media Player 10, File Explorer and VPN Client. You can also install any other third party software that is compatible with the Windows Mobile OS. My friend could not have asked for something better.

Mobile Storage
The Eten M500 has an SD Card slot, which we immediately upgraded the memory to 1GB. Now he can store all the document files, photos and MP3s that he desires. As he used to do presentations occasionally, all he does now is to create the presentation files on his desktop, and then transfer the files into an SD Card using a card reader. If there is an urgent need to edit any of the files while outside the office, he slots the SD card into his phone and does a quick change with the Presentation Viewer we later installed. Before the start of the presentation, he will insert the SD Card into the SD Card slot of his projector and he is ready to start displaying. Life could not be simpler.

Going by this, he discovered that he could not possibly have done more with a laptop. Most laptop users under-utilised their laptops. If you have a desktop computer, then you are better off with a Pocket PC, and save yourself some money, unless your job involves working on your laptop outside the office also. This is because the cost of acquiring a desktop plus a Pocket PC or Communicator is still lower than the cost of a single laptop or notebook. There is no way you will have a laptop and a desktop and maximally utilised both. One of them will always be redundant, which in most case is the laptop.

So, be smart now and save some money. If you already have a desktop and you are contemplating getting a laptop, think of a Pocket PC or a Communicator, which I assure you will be maximally utilised. You do not want to end up with a redundant high-cost device.

 

 Eten M500

The Eten M500 Pocket PC 

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