App turns smartphone into smart key

It could soon be possible to use your smartphone to remotely give someone permission to enter your house.

Twitter offers detailed permissions for third-party apps

Taking a cue from Facebook, Twitter is offering users more control over what information they share with third-party applications.

Facebook backtracks over user addresses

Facebook - a little taken aback - has temporarily disabled a feature allowing developers to access users' home addresses and phone numbers.

Facebook apps to need permission before using profile data

Facebook's really keen on privacy these days, and it's now rolled out a feature requiring outside applications and websites to make it clear to users which parts of their profiles are being shared.