The need to compete and the acquisition of proven mobile hardware device development and manufacturing capability are revealed as Google's motive for its spendy purchase of Motorola Mobility.
Android has proven that it can compete head to head with the "other" mobile technologies. Whether Android will remain Open Source beyond the 5-year window included in the deal to satisfy China remains to be seen. And Google really needs a win after its failed attempts to produce its own smartphone and tablet.
Google SEC Filing Details Why It Paid $12.4 Billion For Motorola | TechCrunch