As 87 million users had Facebook data compromised from a single Cambridge Analytica app.<br />But CA could have used at least two other apps to access data.<br />Former CA employee Brittany Kaiser testified before a committee of U.K. Parliament members.<br />She said CA's culture was a bit 'Wild West' when it came to scraping and reselling user data.<br />She also said other companies were doing similar things, with different apps. <br />