In October of 2007, only a year after developing this strategic alliance, Microsoft went through a high profile industry battle with Google and Yahoo so one can put money into Facebook. In the tip, Microsoft invested $240 million for a 1. 6% stake in Facebook which brought Facebookâs worth all the way to $15 million Stone, 2007. The amount of cash Microsoft spent in this deal completely shows how much they desired to put money into Facebook. With this funding, Facebook was able to add employees, expand abroad and aggressively expand its own advertisements system that might tailor ads to the private options users make public on their Facebook pages Stone, 2007.