The other day, for example, my techPresident colleague Sarah Lai Stirland reported on a growing battle breaking out on the massive social news filtering site Reddit between Paul supporters and critics tired of their efforts to "spam" Redditors with slanted news favoring Paul.

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What it needs is a mechanism for filtering content based on social group input that you can customize.

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Even as researchers get better at filtering tweets, the social network presents limitations.

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What we need is an attention management or filtering tool like the Social Lens project at IBM, discussed in a recent MIT Technology Review article.

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Most online recommendation engines use collaborative filtering based on purchase or social networks.

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The social networking site has used another copyright filtering program called Audible Magic since February to pick out copyrighted videos based on their "digital fingerprint, " a pattern of pitches in the video's audio track.

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With a majority of retailers today using social media to offer promotions or coupons, a solid Application Control and URL Filtering solution can help mitigate the risks employees may encounter with millions of websites and Web 2.0 applications accessible to users.

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Conversely, on foreign French-speaking media and social media, estimates will, in the space of one mouse click, start filtering out from 6.30 p.m. onwards, when those in the know get initial voting trends, from the first 100 ballot papers counted from other polling stations that closed at 6 p.m.

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