purplecape - 3:46 pm on May 28, 2009 (gmt 0)

Since it's based on tweets it's very easy to manipulate. I did some typical searches in my area and found one site had locked up the top several results for one of them just because over the last couple of months they've released a couple promotional videos and tweeted about them. The other searches looked either normal or empty.

If you go into it looking to search tweets it might be useful. If they market themselves as a niche search engine....