"If you find passwords annoying, you might not like two-factor authentication much,"
opines Zack Whittaker in Tech Crunch. "But security experts say it's one of the best ways to protect your online accounts.
Simply put, two-factor authentication adds a second step in your usual log-in process. Once you enter your username and password, you'll be prompted to enter a code sent as a text message or an email, or sometimes as a push notification on your phone.
In all, it usually only adds a few extra seconds to your day..."
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