Pluck, which re-packages social media content for publishers, broadcasters and major brands, is expanding beyond the US and is now on the hunt for a UK MD, according to a highly placed source. Last year the Austin, Texas-based RSS and publisher services company, raised $7 million from Reuters, Austin Ventures and Mayfield and re-focused away from consumer-facing RSS services towards B2B products. Their SiteLife Social Media suite generates user content