By Walt Hickey Liking Numlock? Forward today’s email to a friend you think may enjoy it and might subscribe. Five Finger Discounts The global retail industry lost an estimated $34 billion in sales in 2017 thanks to shoplifting, which is the largest single source of lost goods. That’s about 2 percent of total revenue, and retail isn’t exactly known for its ample profit margins. As a result, this year retailers will spend $200 million on new tech to curb shoplifting. While many security sales people are touting things like AI cameras and programs to track suspicious body language, these are also the same con artists whose greatest security achievement in a generation has been a customer-operated system that screeches “UNEXPECTED ITEM IN BAGGING AREA” until a nearby adult can assure the hunk of junk that the Safeway isn’t a site of mass looting.