[brown9-2]

He convinced developers to create more apps for Windows 8 and Windows Phone by offering them what is known as the "Holy Grail" in app development, tools that let an app developer write the app once and easily convert it to all Windows versions (Windows 8, Windows Phone and Xbox) and also to iOS and Android.

That seems like the sort of thing that needs much much more time, and data, to actually judge.

[adventured]

Yep, it's Business Insider, land of bogus lists that they never feel the need to fact check.

[Grue3]

>all Windows versions

Except the most popular one, apparently: Windows 7.