Just within 2 days of being open to the public Google+ has managed to gain almost 10 million users.
This has been brought to notice by Paul Allen, the founder of www.ancestry.com.
A self-styled 'unofficial Google+ statistician', Paul Allen has claimed in his post that since its opening to general public Google+ has shown a significant growth rate that can be compared only with the one witnessed during the first few weeks of the 'field test' period, when the number of users was minimal.
"Paul claims that Google+ has already gained almost 30 million members, while achieving 30% growth within these 2 days."
His previous estimate (conducted on September 09) showed a user base of 28.7 millions. This comes in stark contrast with his current estimate of 43.4 million users.
Paul has also indicated that Google's simple homepage with a minimalist design may have some role to play here, with users of other social networks like Facebook not being very happy with the changes and redesign that they have gone for.