
In June 2011, comScore puts Google's worldwide reach at 1 billion unique visitors per month.
While the numbers are impressive they also reveal two "neck on neck" races: Google vs. Microsoft and Facebook vs. Yahoo.
The latter two especially make for an interesting race. Yahoo has been growing quite a bit while Facebook is reaching a level of market penetration where numbers are expected to level off somewhat.
[...] active user count of about 850 million, they don’t have that much room for to grow against Google’s 1 billion users. The reality is that Google and search just monetize better than Facebook and social. To get the [...]