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 skull in sight.
The most popular symbol among Twitter's 320 million users, including 15 million in the UK, has been used a whopping 6.6 billion times over the past 12 months (see the full list below).
In May, emoji was declared the UK's fastest-growing language and Sony snapped up the film rights for an emoji movie in July. Last month the Oxford English Dictionary, that dignified, reliable bastion of language, declared its word of the year to be the cry laughing face.