Diabetes Patients' Blood-Sugar Data Aren't Being Shared

The DexCom glucose monitor stopped sharing data with smartphones. WSJ Reporter Peter Loftus explains why that's so dangerous. News Corp, owner of The Wall Street Journal, has a commercial agreement to supply news through Facebook. Learn more about your ad choices. Visit megaphone.fm/adchoices

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Tech News Briefing is your guide to what people in tech are talking about. Every weekday, we’ll bring you breaking tech news and scoops from the pros at the Wall Street Journal, insight into new innovations and policy debates, tips from our personal tech team, and exclusive interviews with movers and shakers in the industry. Hosted by Zoe Thomas