Signal recovers from a day-long service outage - Engadget

1. Signal recovers from a day-long service outage  Engadget
2. Signal messaging app suffered outage for two days caused by exodus of WhatsApp users  SoyaCincau.com
3. Meet the brain behind the viral 'Signal' posters that people mistook for an official ad  afaqs
4. View Full Coverage on Google News

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