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 OS, an operating system based on Chrome. In January 2010, Google released Nexus One, the first Android phone under its own, "Nexus", brand. It spawned a number of phones and tablets under the "Nexus" branding until its eventual discontinuation in 2016, replaced by a new brand called, Pixel. In 2011, the Chromebook was introduced, described as a "new kind of computer" running Chrome OS. In July 2013, Google introduced the Chromecast dongle, that allows users to stream content from their smartphones to televisions. In June 2014, Google announced Google Cardboard, a simple cardboard viewer that lets user place their smartphone