Not so long time ago, cellphones are use to make calls and keep time. I remember they added an extra feature, the SMS or Short Message Service which killed the pocketbell industry. I remember when I had my first cellphone. It was a Nokia 5110, it has many extra added features like customize ringing tone, games and the changing of cellphone covers.
After a few months, Nokia released the Nokia 3210 which lets you compose a ringing tone then it didn't take long before the colored cellphones were invented, then camera phones, mp3 phones and finally the 3G phones. I noticed that most people prefer cellphones instead of buying mp3 players. But what makes evolution of cellphones so succesful that it attracts many people to change their cellphone unit almost every month?
For me, I think that cellphones are now rapidly evolving to become a PDA to becoming a Computer because of so many extra added features like wi-fi acces, memory card, camera, etc. Cellphones are also handy and compact that people can bring it anywhere and use its function. Lastly, cellphones are beautifully design to match different people and their lifestyle. Nokia and the other companies are rapidly evolving their products to outwit one another. This is clearly an example of a technology that succesfuly evolved but it killed other inferior technology.
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