We love a good hack at Tech Advisor towers and this WhatsApp trick will transform the way you use emojis on the popular messenger. Before we start, I have to note that this hack only works on the desktop or web browser versions of WhatsApp but it also works on some other apps and services. Once you’re signed into WhatsApp web or desktop and messaging with someone, it can take a few clicks to get the emoji you’re looking for, but this simple hack will save you bags of time and means you don’t even need to reach for your mouse. All you need to do is type a colon ‘:’ into the message box where yo…