Software based on Web services provider 89n has said its data shows that people’s interest in Google+ is waning.

The Daily Mail reported that the fact that company chief Larry page not updating his page in Google’s new social networking service proves that Google+ has lost its momentum.

Sydney-based 89n said that data indicates that the average number of public Google+ posts per day has decreased from 0.68 public posts per day between 19 July 2011 and 19 August 2011 to 0.40 public posts per day between 19 August 2011 and 14 September 2011, which is a a decrease of 41%.

The company said that in July ManageFlitter started offering users the option of integrating their Google+ accounts with Twitter with the company’s Google+ to Twitter tool. To date 7280 people have linked their Google+ accounts to Twitter using our service and 130,059 public posts have been posted in these accounts, said the company.

However, the company added that while there was a spike in the very early days, the average number of Twitter followers for the users seems to have remained constant between 600 and 800.

Meanwhile, the Guardian reported that Google is testing a celebrity endorsement feature. The report sai dthat soon Google will be offering a new way to help choose, by telling users which sites gained their favourite celebrities’ approval.