- Created the windows server product
- Created the "rent a server" business line
- Identified the need for a VM kernel and hired the right people
- Oversaw MSFT's build out of web services (MSN, Xbox Live, Bing) which gave them the distributed systems and uptime know-how
- Picked Satya to take over Azure, and then to succeed him
Google is not behind capability wise, they are in front of MSFT actually. The customer relationships matter a whole lot more.