Google search changes 'warp the internet'

Google's introduced one of its biggest-ever changes to search, tapping Google+ results to give more personal results in a move that some observers suggest may contravene US anti-trust legislation.

Google explains why it's showing you that ad

Many of us must at some time or another have squinted suspiciously  at our screen while performing a search and wondered just why Google's showing us this particular ad.

Yahoo now shows what your friends have been reading

Yahoo has linked the US version of Yahoo News with Facebook, allowing users to share articles they've read on the news site with Facebook friends.