If you’ve ever sent an emoji response to someone’s message without much thought, beware… A Canadian court says emoji use has become so ingrained in society that the legal system needs to recognise it as a legitimate way of communicating. That means it’s found the use of emojis can be legally binding… The court told farmer Chris Achter to pay more than $61,400 for an unfulfilled grain contract after he sent a thumbs up to a grain purchasing company’s text asking him to confirm a draft contract. Achter argued he indicated he would review the contract, but the court ruled that the emoji “was a valid way to convey the 2 purposes of a signature”. Meanwhile, the Pentagon’s IT crew probably aren’t in the mood to send many thumbs-ups ATM… The US Defence Department is scrambling after it found a typo had millions of sensitive military emails (.mil) being sent to Mali officials (.ml). Note: Mali is Russia’s close ally. Insert a thumbs-down emoji…