Over at Macworld, Lex Friedman explains how to turn on and use two-factor authentication with a Google account to combine a fixed password with a constantly updated additional code sent as a text message or accessible from a smartphone app. Be aware that two-factor authentication may be more trouble than it’s worth, depending on how often you need to sign into your Google account. follow link
Toggle Dock Magnification Temporarily
Sometimes it may be handy to enable or disable Dock magnification quickly. You can toggle Dock magnification from your normal settings easily, and temporarily, by pressing Control-Shift as you mouse over the Dock.
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Enable Google’s Two-Factor Login