Whether you're using social media applications, shopping online, tracking your activity with smart devices, applying for a loan or opening an account at your favourite clothing store - your personal data is at the core of these services. But what happens with that data- whether you hand it over consciously or not - is where things get murky. Now, with the newly-promulgated POPI Act, hopefully consumers will have a little more control over who does what with their personal data. We speak to Open Secrets ZA researcher Mamello Mosiana about some of the things you can do to take more control of your digital footprint.