NEW YORK ( TheStreet) -- Google ( GOOG) and Facebook are more than two competitors trying to de-throne each other in the battle for market share. They represent diametrically different business models -- search vs. social media. But the two are already in conflict on several fronts.According to Nielson, Google reached 170 million unique U.S. visitors in September 2011, while Facebook rang in at 155.1 million during the same month. Latest reported statistics show that Google reached a billion unique visitors worldwide, while Facebook had about 800 million. Seeing the writing on the wall, in July, Google launched its own version of Facebook, Google+, a social networking platform. Since launch, however, Google+ has declined for five consecutive months in referral traffic, despite its 260-million Gmail users, and has seen its share of referral traffic decreasing by 82%.
|Facebook CEO Mark Zuckerberg|