Social media usage continues to grow, with social media penetration set to hit three billion people worldwide by 2021 (though, by some accounts, that benchmark has already been met). And as social platform usage expands, so too does our reliance on social networks as a key interactive and connective option.

While there are ongoing concerns about user privacy, and the way social platforms can be used to manipulate emotions and behavior, there's no denying the significance of the medium, and the power it holds on various fronts.

Underlining this, the team from Grazitti Interactive have put together this new infographic of some key social media usage stats, which underline just how significant social media has become, but also, which platforms are most popular among different demographic groups. 

There's a heap of interesting insights here - check out the full graphic below.​