According to people who have recently reviewed Facebook’s financial information, the social networking giant is likely to make over $2 billion in 2011, higher than it had forecast in 2010, prompting talk that it may reach a $100 billion valuation by next June. This would make Facebook one of the largest technology companies on the planet, surpassing Cisco and Amazon.

Facebook’s valuation was calculated to be about $50 billion in January 2011 when Goldman Sachs and Sky Technologies …