Sending an email to the wrong person is one of the most terrifying things ever. If you've ever sent a work email to the wrong contact or one meant for your boyfriend to your mam, you'll know exactly what we mean. Luckily for us, Gmail has finally created something that we've been dreaming about for years: the unsend button. It was revealed earlier today that, after seven years of development, the company has finally signed off on making the 'undo send' function available to users. The new addition will allow you to change your mind about sending an email for between five and 30 seconds after you hit the 'send' button and save yourself from all manner of embarrassing situations. Users will have to manually enable the feature by going to their general settings area, ticking the 'undo send' option and choosing a delay period. Best. News. Ever.