Google 2011, "The Globe and Mail" reported that Google bid $900 million for 6000 Nortel Networks patents. On August 15, 2011, Google made its largest-ever acquisition to date when it announced that it would acquire Motorola Mobility for $12.5 billion subject to approval from regulators in the United States and Europe. In a post on Google's blog, Google Chief Executive and co-founder Larry Page revealed that the acquisition was a strategic move to strengthen Google's patent portfolio. The company's Android operating system has come under fire in an industry-wide patent battle, as Apple and Microsoft have sued Android device makers such
Google Account acquisition. However, effective April 2011 YouTube users are required to link to a separate Google Account if they wish to continue to log into that service. Google Account users may create a publicly accessible Google profile, to configure their presentation on Google products to other Google users. A Google profile can be linked to a user's profiles on various social-networking and image-hosting sites, as well as user blogs. Third-party service providers may implement service authentication for Google Account holders via the Google Account mechanism. While creating a Google account, users are asked to provide a recovery email address to allow