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 Talk In the standalone client and the Google Talk widget embedded into Gmail and Google+, Google+ contacts appear in the contacts list; their respective circles are shown in Google+'s iteration of the widget. It is possible to place and receive phone calls from within Gmail by using Google Talk. In order to receive calls, however, the user must upgrade to a full Google Voice account. Initially, users outside of the US could not upgrade to a full Google Voice account or receive phone calls in Gmail. (Outbound calling through Gmail does not require Google Voice and is available in many countries