Useful image search
Thristy Minds owns and runs Sprixi image search. Sprixi lets you find the best images to actually use, not just look at. Images are ranked by the crowd for usefulness. It searches creative commons and public domain images.
Real-time Data Matching & Personalisation
Sajari is a very fast self-learning search, match and recommendation engine. Raw speed allows much more complicated queries to be run in realtime when compared to other search technology. This allows for heavily personalized queries, or queries using full documents ...