Aussies who use a thumbs-up emoji in text messages, particularly in business scenarios involving official documents, are being urged to exercise caution after a Canadian court deemed the common emoji to be a valid signature. In a dispute before a Canadian court in June, the presiding judge said an emoji—in this case, a thumbs-up emoji—can amount…

A Saskatchewan judge says an emoji can amount to a contractual agreement and ordered a farmer to pay more than $82,000 for not delivering product to a grain buyer after responding to a text message with a thumbs-up image. The Court of King’s Bench decision said a grain buyer with South West Terminal sent a…