Six Startups Blast Off From The Web 2.0 Launchpad. @Pearltrees gets some great curation buzz

Every year at Web 2.0 Expo, a handful of promising startups are invited on stage to give quick, five-minute pitches to an audience of conference attendees and a panel of judges (you can see our past coverage on these events here and here). Yesterday this year’s batch of startups took the stage, and they didn’t disappoint. My notes on the startups are below.

Pearltrees, which we’ve previously covered, offers a slick way to visualize web content that you’re interested in, with items represented as a web of movable bubbles (called pearls). The site just launched a feature that lets you take a portion of your bubble-map and embed it on your blog. The site also has a social component.
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