Yes this is happening all around the world. Dont you think it will take time? It is not that easy thing that a new correct just come up and being used all around the world within 10 years. It will definitely happen but it will take a long time. Electronica, restaurants and garment malls are accepting it in different areas. But when it will be covered all over the world, it takes time.
I think its never going to happen, with the way the technology is right now, bitcoin or any coin. Waiting for a block to be mined, to get your transaction confirmed
. fully unsuitable for retail and no competition at all - for the ease and speed of credit card or cash. We need entirely different thinking if we want crypto currency to even get in the ring with credit card or cash, not to talk about going a few rounds.