SMS Marketing is a great way to bring in awareness about products. There are a few guidelines that are followed by most marketers in this area such as keeping the message within one message windows. The messages are usually checked against recipients now wanting to receive such messages and this is taken very seriously by both the service providers and the bank! There are messages that are irritating but calls are the most troublesome. I think technology has given us ways of non-intrusive ways of reaching customers and SMS is definitely one of them.