12:21 is the correct answer
It has allowed for better organization, faster communication, and more advanced actions that people can't complete
Answer:
Assuming an upstander is someone that opposes cyberbullying:
(1) Call them out
(2) Report the behavior to proper moderation authority
(3) Tell the person to block messages from the cyberbully
I don't really know what else you want from this.
Cheers.