From Twitter to Last.fm, we've all got our sites we just can't live without. While we've all been glued to our screens this year, getting our daily fix of the sites that matter most, Time has been collecting the fifty best.

Time's list includes many of the expected finalists: social networking darlings Twitter, Stumble Upon, and LinkedIn, and video mammoths YouTube (for You Choose '08), Joost, and Netvibes. It also includes a number of excellent underdog selections like Etsy, where you can buy just about any kind of art or craft imaginable, and Chow, a CNET site filled with everything you could need to know about, well, food.

A number of names are conspicuously absent from the list, but then, there's no accounting for taste.

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