Kayak.com announces official launch

"Kayak.com, the new online travel site created by the co-founders of Orbitz, Travelocity, and Expedia, is delighted to announce our official launch!

We appreciate your help as one of our 45,000 registered beta testers. What's new at www.kayak.com?

More content! With just one click, Kayak.com's travel search engine now offers travel-related information from over 100 travel websites, providing real-time prices and itineraries for more than 550 airlines and 85,000 hotels. We'll continue to add more sites each week."

[via email]