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Also: Linkstorm has raised $2.8 million in Series D funding; Zemanta has added support for Last.fm; and Three Melons has raised $600,000.
Travel search site SideStep acquieres travel social network TripUp
You've probably tried Expedia, Orbitz, and Hotels.com, but what about Fly.com and UpTake? Here are four sites you should try out.
Get some simple travel blogging done with Driftr, a new travel blogging tool that's combined with a social network.