Six revelations from tech's answers on Russian election meddling

Facebook, Twitter and Google outlined their efforts to keep state-sponsored groups from manipulating their platforms and interfering in the US political process. Here are six interesting revelations:

1. Facebook says its data doesn’t give insight into collusion
2. Russian groups created 129 Facebook events
3. Facebook cuts Kaspersky Labs from list of anti-virus options
4. As long as WikiLeaks founder Julian Assange and former National Security Agency contractor Edward Snowden do not violate their terms of service, those individuals are free to use the platforms
5. Independent data group in the works; Google earnings from Russians still murky
6. Twitter casts doubt on results of third-party research on platform