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Bluetooth helps Facebook friends
Researchers combine Facebook with Bluetooth to learn more about human interactions.
Concerns over pupil progress data
School leaders in England are unhappy at the new way of assessing students' progress.
EBay to launch keyword ad system
EBay is to launch keyword ads - where users will be linked to auctions based on words from web pages they are visiting.
Top of the class
While Tory leadership hopeful David Cameron has been assailed by questions about drugs, there's an E word which has escaped the headlines: Eton. It wasn't always like this.
Wi-fi cities spark hotspot debate
A growing number of US cities are at odds with big business over the idea of providing wi-fi net access.
How tweenagers are taking over
Today's children have a relationship with brands that is totally different to that of their forebears, a new study shows.
The debate so far
Read what you have said so far about the value of modern art.