Today, the business social-networking site LinkedIn announced that it raised $53M at just over a $1B valuation. In addition, they posted a YouTube video with Jeffrey Glass from Bain Capital, David Sze from Greylock, David Cowan from Bessemer, and (Mark Logic board member) Mark Kvamme from Sequoia. Per TechCrunch this round brings the total funding up to $80.5M.
