What’s the difference between two-step verification and two-factor authentication? A lot of frustration for people who were using the former and updated to macOS Sierra, only to see a perplexing error message when they tried to set up the watchOS 3 option that lets you unlock a Mac.
Yes, this makes perfect sense. pic.twitter.com/d1NjGcPYe0
— Peter Sterne (@petersterne) September 23, 2016
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