Android, by acquiring Android Inc. Maps, by acquiring Keyhole and Where 2 Technologies. Docs, by acquiring Upstartle. YouTube, by buying YouTube Inc. Got any w

Android, by acquiring Android Inc. Maps, by acquiring Keyhole and Where 2 Technologies. Docs, by acquiring Upstartle. YouTube, by buying YouTube Inc. Got any winners that they started themselves instead of acquiring? Credit where it's due though: A lot of companies destroy their acquisitions, which hasn't happened in these cases.