It seems for Microsoft it is Colloborations with the Topmost

[sunandaC]

Microsoft Forms Partnership With China’s Leading Search Engine

Baidu, previously primarily a Chinese-language search engine, made the announcement Monday afternoon, saying Microsoft’s search engine, Bing, was expected to appear on Baidu’s Web pages by the end of this year.

 

[dimpy.handa]

Although neither company provided more details of the subject of the press conference, the most obvious partnership would involve Sync, the Microsoft-developed car entertainment system used by Ford.
Japanese daily Nikkei says, however, that the two companies might be working on more energy-efficient automotive technology. In its report on Wednesday, the Nikkei said that the tie-up will involve the development of a smart-grid technology which will make the use of electricity in cars more efficient.