Yahoo buys polling site Bix.com

SAN FRANCISCO - Yahoo Inc. said it had acquired Bix.com, a site that helps users arrange contests to rate others' photos, video or singing, in a move to promote more popular participation across Yahoo sites.

Bix is a 16-person company headed by Mike Speiser, who co-founded dot-com-era start-up Epinions.com, which first popularized the idea that polling user opinions could work as a tool to help individuals find personally relevant information.

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