In Pictures: Computing advice that can stand the test of time

Just because computers are one big exercise in evolutionary progress, that doesn't mean certain computing maxims ever go out of style.

Use two-factor authentication

Two-factor authentication simply means that logging in to a given service requires two separate forms of authentication: something you know (such as a password) and something you own, typically your smartphone. For example, you can enable two-factor authentication for your Gmail account. Doing so will require you to have your smartphone nearby every time you try to log in to your account so that the service can send you a unique alphanumeric code via SMS, but the arrangement makes it much more difficult for hackers to break into your account.

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