Quora's CEO Adam D'Angelo has just revealed that the personal data of more than 100 million of the question-and-answer portal's users has been stolen in a recent attack. The data affected includes names/passwords/email addresses, public content/actions, as well as non-public content/actions, including direct messages.
https://www.notebookcheck.net/100-million-Quora-accounts-were-compromised-in-a-major-breach-that-was-discovered-last-week.374051.0.html