"Forgetting what the real world uses, and favoring what’s convenient for your own business goals is a quick way to have customers think you don’t care, and to indicate to partners or developers that pleasing Google is more important than pleasing customers."

Anil Dash on Google’s Microsoft Moment.

This is a very important point for every company to realize. You need to build products and services for the user and not for the company’s agenda. In fact, Apple is the only example that sort of works otherwise. Even then, they supported Windows on the Macs and now are integrating Exchange support.