The search industry is racing to come up with better tools to dig through the Web's expanding trove of video and photos. Type "romantic kiss" into Google and its nimble algorithm will comb billions of Web sites to retrieve 14,500,000 results. But what you get back are mentions of kisses written in words: a howstuffworks.com guide to the basics; a link on GetRomantic.com gives tips on suaver kissing; a Wikipedia entry traces the peck to the tale "Sleeping Beauty.''
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