Google has acquired PostRank, a social analytics service in a deal undisclosed. The acquisition announcement can be found on PostRank's official website. Recently Google had launched +1 button for websites in a move to go social.

The PostRank website says -

We’re proud of what we’ve accomplished, and we now look forward to working with Google’s team to build more useful tools for measuring engagement online, and we’ll be sure to share details on our progress in the coming months.

PostRank was founded in 2007. It monitors, aggregates and measures real-time web data and performance, with an emphasis on social stats like how many re-tweets or Facebook shares a piece of content gets. It provides various services. Companies use PostRank to connect their businesses connect with influential users. It helps online information consumers find and read what matters the most. The company has continued to work with existing clients and closed new sign ups.

Google has not yet publicly reported the deal from its side and the fact that which team would be joining Postrank's member is also unknown.

Google increasing social focus !

Though still unsuccessful in social aspect, Google is trying different things to get more social. Google has to put a lot of effort in social networking world. The recent introduction of +1 button for websites lets users share products, news articles, and more with friends, family, and associates - was company's major move to get social. And now the PostRanks's purchase shows just how ambitious Google is about improving its social initiatives. Acquiring PostRank can help Google improve in better analysis of the products for their users and advertisers. It can help to target business groups and users to increase their engagement in its social campaign.