For $1000, anyone can purchase online ads to track your location and app use

Privacy concerns have long swirled around how much information online advertising networks collect about people’s browsing, buying and social media habits — typically to sell you something. But could someone use mobile advertising to learn where you go for coffee? Could a burglar establish a sham company and send ads to your phone to learn when you leave the house? Could a suspicious employer see if you’re using shopping apps on work time?
Read more: https://www.washington.edu/news/2017/10/18/for-1000-anyone-can-purchase-online-ads-to-track-your-location-and-app-use/?source=Snapzu