Great post! There is no doubt that mobile payments are the future. Understandably, however, retailers are a bit scared about the security and privacy issues. Every new technology faces roadblocks as these, and thus knowhow of how mobile payments work and how customers/retailers can be convinced to utilise it, is extremely important. It's not for nothing that mobile payments is being touted as one of the "hottest retail tech trends", more here: http://bit.ly/1cQdo4b