oh, I also forgot to add that many applications mix-n-match data components to create a data layer with a standard API that then may then be implemented with va

oh, I also forgot to add that many applications mix-n-match data components to create a data layer with a standard API that then may then be implemented with various backends for various purposes, each being applications in their own right, etc. this is seldom discussed in such debates but is actually quite common for many applications.