>>5503631 (PB) Q Post

▶Q !!mG7VJxZNCI 03/04/19 (Mon) 15:14:57 588bf0 (2) No.5503631

>>5503585 (PB)

Define 'backchannel'.

Q

Backchannel is the practice of using networked computers to maintain a real-time online conversation alongside the primary group activity or live spoken remarks.

• Wikipedia

Multiple Meanings, pic related