
DuckDuckGo @DuckDuckGo
"There's a ~$12B market of companies that buy & sell location data collected from your cellphone. The trade is entirely legal in the U.S." @alfredwkng & @jonkeegan on data brokers' new, harder to detect tracking tactics & why we need a federal law: https://t.co/p2TRJDU1QD — PolitiTweet.org