Me and my friends go over to asking the staff every time we have to pay a bill somewhere at the checkout if we can pay with Bitcoin. Of course the answer is always no. We are much more concerned with raising awareness among the general public about cryptocurrencies and Bitcoin in particular. Because we often see that shortly after this question, employees tell their colleagues about this presence, and they will almost certainly do so at home. A single question can reach dozens of people and Bitcoin is becoming more aware.
So: go out and invest those few seconds during each payment process to push the Bitcoin!
It is not a wide marketing idea but it is very great if many of us will do this kind of stuff so those entities who don't know about crypto currencies especially the bitcoin payment will become curious about it and it will surely help the bitcoin existence to spread faster.
In my country, I haven't tried this kind of stuff as I am afraid that someone will laugh at me if I am going to ask this kind of question even if I know already that there are at least 1% out of 100% establishments in our country that accepts bitcoin. But I will make sure to try this kind of stuff so I can also spread the bitcoin existence by asking this simple question every time I will pay something.