Our social media apps may gather more personal data about us than we realise but there is a secret way we can find out how much it really knows according to a tech expert. Get the latest top news stories sent straight to your inbox with our daily newsletter We have more newsletters Get the latest top news stories sent straight to your inbox with our daily newsletter We have more newsletters Billions of the population are active on social media accounts but these platforms may know far more about us than they let on, according to an expert. From our deepest fears to most mundane habits, these apps amass vast amounts of our personal data, raising serious worries about how this information is being used and protected.

Cache Merrill, a tech expert from Zibtek , has now revealed a secret hack you can use to discover how much our own Instagram profiles know about us by locating a hidden menu on the app. The tech guru explained: "First, open the Instagram app and go to your profile. Then, tap the three lines in the top right corner to open the 'Settings and privacy' menu.

The first thing you'll see is the 'Accounts Centre' which you'll need to open, then scroll down to 'Ad Preferences'." "Instagram will show you the ads you've interacted with, followed by the ads you've saved. At the very bottom, Instagram shows the 'Ad topics'.

It only shows the three main ones, but you can click 'See all' and then 'View and manage topics' to see all the topics you're interested in." "The length of.