Millions of people may be giving away their privacy through ancestry tests

What a novel idea.Image: Paul Bradbury / getty Cash hasn’t been dethroned, yet.  In the age of Square, Apple Pay, and Amazon Go, buying a sandwich or beer with paper money may feel like a throwback to simpler, neolithic times. But on Feb. 27, Philadelphia mayor Jim Kenney signed into law a bill requiring that stores accept cash. So those times are guaranteed at least a temporary reprieve from an otherwise looming extinction.  That is a very good thing. SEE ALSO: A judge can order you to use this app to deal with your ex The bill, which takes effect July 1, represents the first time a major U.S. city has codified into law the requirement for most businesses to …