Mashable: “Gmail is a fabulous free tool from Google. However, email itself can really get on top of you. One way to keep your Gmail account from getting you down is to learn all the nifty tips and tricks for the Gmail interface that will up your productivity, improve your efficiency, and even save you some precious time.  From scheduling emails to be sent at a future point to un-sending an important email you’ve just realized contains a massive blooper, these hacks will see you mastering your Gmail account instead of being scared of it…”