How the net traps us all in our own little bubbles

An invisible revolution has taken place is the way we use the net, but the increasing personalisation of information by search engines such as Google threatens to limit our access to information and enclose us in a self-reinforcing world view, writes Eli Pariser in an extract from The Filter Bubble

http://www.guardian.co.uk/technology/2011/jun/12/google-personalisation-internet-data-filtering