This is our first (of seven) dives into our 2015 predictions (watch the overview here) and we start with beacons. Those little peel-and-stick bluetooth transmitters that emerged in the second half of 2014 in retail will go far beyond their origins in 2015. We both weigh in on where we think they will be by the end of the year and what the industry will look to them to do - beyond pushing deals and annoying customers.