Apps are practical, mostly free and very popular. But almost all commonly used apps surreptitiously collect sensitive personal data and send them to their developers. But alternatives are available.
Two-factor authentication helps better protect online accounts from hackers. Facebook offers this security feature, too. But there's a catch.
When Facebook bought messaging app WhatsApp five years ago, it looked like a complete mismatch of values. But recurring frictions haven't stopped WhatsApp from securing spectacular growth globally.
Mark Zuckerberg said that private communications will become more important than public platforms. The company's plan of increasing encryption may frustrate law enforcement's efforts to track criminals and extremists.
Russians took to the streets over the weekend protesting Kremlin plans to erect an "online Iron Curtain" that would divide the internet. If it happens, it will set the country back decades, warns DW's Juri Rescheto.
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