‘Totally carefree’: What is a Finsta? We’re sorry, this service is currently unavailable. Please try again later. Dismiss A quick guide to one of the world’s most popular and secretive social media strategies. Normal text size Very large text size Just over a billion people worldwide have Instagram accounts. Of those, 71 per cent of active monthly users are under the age of 35. And, if you’re a parent of one of those users, you’re probably wondering, does my kid have a Finsta? What’s a Finsta? Taking its name from a conflation of the words fake and Instagram, a Finsta is a