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Delicious

Delicious is a social bookmarking service that allows users to tag, save, manage and share web pages from a centralized source. With emphasis on the power of the community, Delicious greatly improves how people discover, remember and share on the Internet.

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Digg

Digg enables users to share online content by submitting what they like best. Other members can then decide if they "Digg" the content too. Once a submission has earned a critical mass of "Diggs," it becomes popular and jumps to the Digg homepage.

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Yahoo! Buzz

Yahoo! Buzz is an extension of Yahoo! that uncovers the most remarkable and timely content from websites across the Internet. We pull in the hottest stories from a broad assortment of Web publishers throughout the day, and we give you the chance to be an editor by voting (“buzzing”) stories up or down, submitting them to Buzz in the first place, and having a conversation around them via commenting.

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