According to Larry Page, mobile is crucial to Google's advertising strategies. The Google co-founder told investors that mobile was quickly becoming the "backbone" of advertising during the company's first-quarter 2012 earnings call last week. According to recent studies, Google's overall share of U.S. mobile ad revenue reached 51.7% in 2011.

According to CEO Larry Page, Google+ now has over 90 million registered users. Page, who announced the figure during Google’s earnings presentation last week, said that “engagement on Google+ is also growing tremendously". Google had previously announced their number of users in mid-October, and claimed they had about 40 million users. 

Google Inc. will acquire Motorola Mobility Holdings, Inc. for an agreed $40.00 per share in cash, or a total of about $12.5 billion. While Motorola Mobility is a dedicated Android partner, the acquisition will supercharge the Android ecosystem and will enhance competition in mobile computing.

Microsoft has signed a deal with Baidu, the biggest search engine in China, to provide English-language search results — but they will be censored to meet the Chinese government's demands. The announcement of the deal is a boost to Microsoft, which has been struggling to boost the position of its Bing search engine against Google's dominance in almost every country around the world.  

Google said it has been testing Google+ internally and is now ready to gradually open up what it calls a “project” to the general public.Google Inc. (GOOG), the world’s biggest search engine, shut down the invite mechanism for its new Google+ social network after “insane demand,” said Vic Gundotra, head of social efforts, on the company’s website.