For many long talked-about technologies inclusive of loyalty programs, data security and even price signs, the interplay of several ongoing trends are catapulting these concepts to implementation. Clearly evident at the NACStech 2010 conference, where about 1,200 retailers and suppliers met to discuss trends, was a sense that many are going from talking to doing. “There are more decision-makers here and not just people who use or manage technology,” said Jeff Lenard, spokesperson for NACS. “It’s all....