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Verizon is down, with many users seeing 'SOS' – here's everything we know about this outage
(www.techradar.com)
This is a most excellent place for technology news and articles.
Glad that they mention, albeit a ways in, that reports of other carriers being down are because people try to call Verizon-serviced phones and freak out on Downdetector when it doesn’t go through.
Downdetector has never been a reliable indicator of anything except people freaking out.