Some recent progress towards BTC POS sytems..
http://www.coindesk.com/information/bitcoin-retail-pos-systems/
Big takeaway: It is a ‘chicken and egg’ thing.
Not really. The big thing it’s waiting on is for multibillion dollar companies to decide they actually can extract money out of it, and the money they can get is worth the effort. Until then it’s just a cute little sideline.