Exactly. It was Ballmer who started the mobile strategy and it was up to Nadella to salvage it. Making sure Office, etc., work well on Android and iOS is perfe

Exactly. It was Ballmer who started the mobile strategy and it was up to Nadella to salvage it. Making sure Office, etc., work well on Android and iOS is perfectly in line with his idea that you can work with competitors to increase revenue for everyone involved. Contrast this with Amazon, who believes that it is a winner takes all market, and they do not have support for their competitor's products and even refuse to list them in their store.