However internet advertising of bitcoin can help local business if and only if they are themselves willing to accept it - which I am afraid from my own personal experience, not.
You cannot say that local businesses will not prefer adopt bitcoins. There are reasons why they are now willing and not willing to do so for now maybe one simple reason must be they know little or nothing about bitcoin. But, as time goes on, it will get to a time that most of those businesses will be begging you to pay them through bitcoin. I am sure those magic times will come in real soon.