As a heavy cab user, I'd love to pay in BTC, tho' spontaneity is key. Start requiring memberships and web orders and whatnot and people might as well just get a private chauffeur.
I would love to make ideas like this happen, but there does not seem to be a lot of places to share ideas to those who personally want to invest into Bitcoin businesses, along with bringing huge amounts of awareness and promotion for the use of Bitcoin
To this end, you might have a read
here. It's not that you don't have where to share, you just need to do it in a meaningful way.