Saving images/data if required.
If a relational DBMS is required.
SMS verifications anyone?
or Piwik? TBD
Basic website monitoring
Design and wireframing?
Because you don't know what data you will be querying for. Perfectly suited for rapid prototyping. Altering tables in traditional, relational DBMS is painfully expensive and slow.
Performance is not great though. Ah who cares!
Fast and easy to code. Hopefully. Development with Java is painfully slow.
Good to have. 10K+ concurrent requests, load balancing etc.
For future payments in US, Europe?
Or Mixpanel? Requires setting up I think.
Loooong term for performance.. Super fast but not suited for prototyping
Free version control
Welcome to transactional emails.
TBD. Good to have I think. Analytics on loads of data, recommendations?