What doesn't make sense to me here: 1. Why has nobody done this before? It seems trivial technically. The only good reason I can think of is that the Twitter cr

What doesn't make sense to me here: 1. Why has nobody done this before? It seems trivial technically. The only good reason I can think of is that the Twitter crowd and the PowerPoint crowd and the Visual Studio crowd do not intersect enough for it to happen. 2. Why is SAP doing it? That's a pretty certain way to ensure the general public will not use it.