We're already well into the social media age, but the twist now is that the most enthusiastic users of social networks are often exclusively mobile.
Globally, two thirds of internet users are on social media and almost all growth in social platform use is coming from mobile devices, according to new quarterly figures from GlobalWebIndex.
Apps such as Wechat, Snapchat and Whatsapp are changing the way people communicate in a big way - leading to the first (predicted) reduction in SMS text message volumes this year.
1. Instagram is the world's fastest-growing social network in the last six months of 2013.
2. The flight of users from PCs and laptops to mobile devices in the last half of 2013 was huge.
3. Messaging apps are among the fastest growing social apps people have on their phones - Snapchat, Kik, Whatsapp and Wechat are changing the way we communicate.
Also, GlobalWebIndex's study pours cold water on recent suggestions that Facebook is being shunned by younger people.
The company carried out online interviews with 170,000 people last year in 32 countries and says that Facebook is still used by 48.5% of 16 to 19-year-olds globally every month.
In fact, these data show Facebook is still the world's dominant social network with 67% more active teen users than the nearest competitor, YouTube.