Very good question @Frerehugi ! On this post you can see what is already happening in here. You can pay with cStables in over 1M POS and pay any utility bills.
As regards real world use cases I would say we are, in terms of community, advanced. One of the issues to grow has been liquidity.
The short term goals are: Growing Awareness / Attracting more developers / structuring opportunities via Web3DAO. Numbers for such are above.