There are a lot of people excited about facial recognition, but so far the most aggressive experimenters (aside from law enforcement) have been marketers. This is especially true of retailers who see a lot of opportunity to exploit the technology to enhance in-store experiences, conduct research, or to stop shoplifters. Yet new polls show that consumers are truly creeped out by facial recognition, and privacy groups, consumer advocates, and even some regulators are coming out against it the technology.