Are you a savvy surfer?
UK psychologists have found a strong link between excessive internet use and depression.
The researchers reported that 1.2% of those surveyed were "internet addicts" and a small number had developed a compulsive internet habit, replacing real life social interaction with online chat rooms and social networking sites.
But how much do you know about the technology that has changed the way we live?
As you surf the information superhighway, are you zooming down the outside lane or stuck on the hard shoulder?
Search the web
Are you fluent in Twitter speak?
Who invented this?
The history of technology quiz
How well you know the history of the PC?
It's all geek to me
Can you spot the real Wikipedia fake?
Name that character
Screenshot challenge 3
How much do you know about computer security?
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Video game sales slump in January
Hackers claim attack on CIA site
Microsoft reveals ARM chip plans
AA sat-nav car insurance policy