“That’s not a company, that’s a feature." So goes a frequently heard VC comment on business ideas that are incredibly narrow and don’t seem to deliver enough value by themselves. I have certainly made that comment in the past. But I believe that cloud computing is changing what’s a feature and what’s a company: a feature may now well be a company. How? Well, there are many features of web apps and services that are hard to build, operate and maintain but are incredibly useful. So if you can b...