Mark Zuckerberg uses tape over his webcam. Even if you’re not worried about industrial espionage, there’s no such thing as too much security

Read more

How will new mobile phones, technology such as Google Glass - the wearable gadget that searches for whatever we look at – and social networks like Facebook and Twitter influence our searches? Should we be concerned that sensitive personal information is being filtered through a small number of companies? Find out with The Guardian's animation, narrated by Jemima Kiss

The Guardian website has a selection of articles and resources looking in-depth at the various issues concerning online privacy. There's advice on how to manage your online identity (including how to delete it), discussions by privacy experts and more.