Bursting Bubbles

After watching this short TED talk on the personal bubbles that the web creates, I thought that maybe it's time to go back to Alta Vista, quondam search tool du jour, but then again, if people actively choose to get their news and information from one search engine, or from a single entity news site like Yahoo or CNN, and don't supplement it with LiveLeak, Ogrish, etc., then they're asking for a partial, blinkered view ...