Facebook Valued at $50 Billion; Goldman Invests $500 Million 7.80K Max Read 01/03/11 03:58AM Filed to: Deals Deals Facebook Goldman Sachs Mark Zuckerberg digital sky technologies Ipo Stocks Valleywag Tweetg Tweetv Goldman Sachs and Russian investment firm Digital Sky Technologies have invested $500 million into Facebook in a deal that values the social network at $50 billion—more than eBay, Yahoo! and Time Warner. What's cool now, Justin Timberlake?