Google’s social networking service Google+ has crossed 90 million users mark since its launch in June.

Google+ now has attracted 90 million users, reflecting the huge interest in the social networking site, which was opened to the public on September 20. That more than doubles the 40 million that Google reported in October.

Interestingly, rival Facebook took about four years to reach 90 million users. Facebook, founded in 2004, has now 800 million users globally.

“I am super excited about the growth of ... Google+, which now has 90 million users globally — well over double what I announced just three months ago. By building a meaningful relationship with our users through Google+ we will create amazing experiences across our services,” Google CEO Larry Page said.