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 Happy Hereford wind farm. Also in 2010, Google purchased Global IP Solutions, a Norway-based company that provides web-based teleconferencing and other related services. This acquisition enabled Google to add telephone-style services to its list of products. On May 27, 2010, Google announced it had also closed the acquisition of the mobile ad network AdMob. This occurred days after the Federal Trade Commission closed its investigation into the purchase. Google acquired the company for an undisclosed amount. In July 2010, Google signed an agreement with an Iowa wind farm to buy 114 megawatts of energy for 20 years. On April 4,