Criterion B: The IT Background of the Issue.

Presentation of the issue.
Mobile phones have become more and more popular since its creation. Nowadays everyone has a mobile phone. Everywhere you go you see people with mobile phones chatting away. On trains especially, there is an unusual amount of talking. This disease called the mobile phone has even caught people like the drivers of trains and cars, whose little mistake due to absent mindedness can cause the lose of lives and properties. The use and production of mobile phones are improving every year.
Falling mobile phone prices and slowing growth in new handset production is leading to lower revenue in the handset market worldwide in the years ahead, according to iSuppli Corp. Overall market saturation and related moderation in sign-up of new subscribers also is finally taking a toll on device market economics. The average selling price of a mobile phone is now $129, about $36 lower than it was just two years ago. This is shown in the graph below

http://telephonyonline.com/wireless/metrics/mobile_phone_production_013006/

This brings us back to the usage of trains on mobile phones on trains. This can influence the passage of information in the train to the driver. Mobile phones work on almost the same frequency as trains do. Therefore they can intercept each other and cause confusion which might therefore lead to a crash.