Twitter users, it turns out, are by and large a happy bunch. Or else, people who use emoticons are. The service has revealed the 10 most used emojis of 2015 and happily there's not a sadface or ...

Your choice will be limited to laughing out loud, a winking face emoji, the cool sunglasses, the heart eyes, and the good old standard smiley face. Why emojis mean different things in different ...