Software-as-a-Service has its downsides, as one commenter notes:
We’re beginning to see the pitfalls of software-as-a-service in general: loss of control for for the user, increased security risks, and being entirely at the mercy of the providers’ future business strategies.
The context is Google discontinuing its RSS Reader.
A small outfit has motivation that a big one doesn’t. It matters not just to the provider, but the user. Opportunity abounds.