Hundreds of Apps Can Listen for Marketing ‘Beacons’ You Can’t Hear Ifeadi C. 04:12 WIRED, Zero Tech Blog So-called ultrasonic beacons are becoming even more popular with marketers. Here's how to shut them out. The post Hundreds of Apps Can Listen for Marketing ‘Beacons’ You Can’t Hear appeared first on WIRED. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsThe Quantum Computer Factory That’s Taking on Google and IBMWatch the F-35 Fighter Jet's Stomach-Emptying Public Debut at the Paris Air ShowMathematicians Decode the Surprising Complexity of Cow HerdsExplaining the Physics Behind This Ferrari Knocking People OverWhy the Amazon-Whole Foods Deal Shouldn't Spark Monopoly FearsNASA's Safe2Ditch Lets Damaged Drones Land Safely
