Small businesses texting: effective marketing method?

If one was so inclined, with all the notifications that come with smartphones, someone could set it up to "ding" every few minutes with something. Phone messages, texts, Facebook updates, Twitter updates, AP News feeds, software upgrades, gaming activity - the list goes on and on. For me personally, I make it a point to turn off all of these distractions so that the only time my phone makes noise is when I get a text message, or someone is calling. That ensures that I check it, assuming that it'...