Facebook Platform
This is how to find out if you've been affected, and what to do.
The hearing is set to start at 19:15 GMT.
Facebook has firmly denied this since 2016.
'Facebook was allowing developers to access the data of people who hadn’t explicitly authorised that'.
Calls come after Cambridge Analytica was barred from Facebook.
50 million-plus Facebook records are alleged to have been harvested.
Mark Zuckerberg is losing his teen appeal.
