Read our coverage of the technology sector in Seattle, the Puget Sound area and Northwest. We follow startups and venture capital in fields such as cloud services, on-demand markets, supercomputing, enterprise software, gaming and virtual reality. Topics include Uber, Zillow, Redfin, Avvo, Vive, Oculus, Tableau, Zillow, Expedia, Cray, T-Mobile, Valve, Inrix, and of course Microsoft and Amazon.

I shared my phone number. I learned I shouldn’t have.

Security researchers were tasked to see what they could find out from just a person’s cellphone number. Quite a lot, it turns out. (Glenn Harvey/The New York Times) — NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY TECH FIX BY BRIAN X. CHEN FOR AUG. 15, 2019. ALL OTHER USE PROHIBITED. — XNYT131

A personal tech columnist asked security researchers what they could find out about him from just his cellphone number. Quite a lot, it turns out.

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