In 2004 Google Inc acquired Keyhole, Inc, immediate after this acquisition Urchin Softwarein was bought by Google. One year after Google got Youtube for $1.65 billion and Doubleclick for $3.1 billion, Grand Central,On2 Technologies, Aardvark, Agnilux.
Partnership with the department of NASA and Sun Microsystems in the field of large-scale data management, nanotechnology. The partnership with AOL to enhance each others video search services. Google Energy invested on a renewable energy project putting $38.8 million into 2 wind farms in North Dakota. In 2011 Google performed its largest acquisition of Motorola Mobility to strengthen its patent portfolio.
On August 15, 2011, Google made its largest-ever acquisition to-date when announced that it would acquire Motorola Mobility for $12.5 billion[115][116]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 as HTC, Samsung, and Motorola.[117] The merger was completed on the May 22, 2012, after the approval of People's Republic of China.[118]
This purchase was made in part to help Google gain Motorola's considerable patent portfolio on mobile phones and wireless technologies to help protect it in its ongoing patent disputes with other companies,[119] mainly Apple and Microsoft[117] and to allow it to continue to freely offer Android.[120]After the acquisition closed, Google began to restructure the Motorola business to fit Google's strategy. On August 13, 2012, Google announced plans to layoff 4000 Motorola Mobility employees.[121] On December 10, 2012, Google sold the manufacturing operations of Motorola Mobility to Flextronics for $75 million.[122] As a part of the agreement, Flextronics will manufacture undisclosed Android and other mobile devices.[123] On December 19, 2012, Google sold the Motorola Home business division of Motorola Mobility to Arris Group for $2.35 billion in a cash-and-stock transaction. As a part of this deal, Google acquired a 15.7% stake in Arris Group valued at $300 million.[124]
On June 5, 2012, Google announced it acquired Quickoffice, a company widely known for their mobile productivity suite for both iOS and Android. Google plans to integrate Quickoffice's technology into its own product suite.[125]
On February 6, 2013, Google announced it had acquired Channel Intelligence for $125