This is why the attitude of "well, we know Facebook stores all our data, so what?" really annoys me. It's not that Facebook tracks this data, it's that the Cam

This is why the attitude of "well, we know Facebook stores all our data, so what?" really annoys me. It's not that Facebook tracks this data, it's that the Cambridge Analytica story shows that this data has been shared against their ToS. Not only that, Facebook's attitude to the initial arrest warrant shows that they were probably perfectly happy with trading data. The data from CA is out there forever, and we've got no way of knowing who else has this data. We also don't know who else has profited from the larger pool of data, or whether there was more to the CA story than what we currently know from the Channel 4 investigation. Instead of laughing off this story, tech workers should probably panic more, because we know just how easy it is for data to spread, and how it is near impossible to stop that data spreading.