Personalisation in search is something that everyone is talking/working on the last few years. The following is a ten minute video from TED discussing this issue and it's definitely something worth watching.Eli Pariser: Beware online "filter bubbles"http://www.ted.com/talks/view/lang/eng//id/1091Speaker: Eli PariserPioneering online organizer Eli Pariser is the author of "The Filter Bubble," about how personalized search might be narrowing our worldview.