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Signal, the private messaging app endorsed by Edward Snowden, saw user sign-ups soar during the extended downtime of Facebook Inc.’s network of apps and services.
Millions of new users joined the communications app on Monday, Signal said on Twitter. Facebook suffered a six-hour outage that spanned its WhatsApp messenger, the main social network and photo-sharing app Instagram, shutting out many of its 2.7 billion global users. The situation idled some of the company’s employees and prompted a public apology from the chief technology officer.
Facebook’s loss turned into a gain for other social media. Twitter Inc.’s network stayed online, with Chief Executive Officer Jack Dorsey tweeting his endorsement of Signal as a suitable WhatsApp alternative and amplifying Snowden’s urging of his followers to move away from the Facebook-owned app.
Signal’s focus on privacy -- expressed in its policy to not collect any data on its users and thus avoid situations where governments may pressure it to disclose personally identifiable information -- has made it a favorite for secure communications. Telegram, another WhatsApp alternative, has also historically added millions of users in the wake of major WhatsApp outages.
