The analogy to MS Windows is accurate, and it seems people have forgotten (or are too young to remember?) the downside of writing for a closed platform controll

The analogy to MS Windows is accurate, and it seems people have forgotten (or are too young to remember?) the downside of writing for a closed platform controlled by one company. The shift to web applications was supposed to change that (http://paulgraham.com/road.html http://paulgraham.com/road.html).