set up a backchannel

1. To establish a clandestine avenue for conveying information or engaging in conversation, often in politics. Is it true that that group of senators set up a backchannel in order to negotiate with the hostile nation?

2. To establish an avenue for online discussion that occurs simultaneous to the live broadcasting of something, such as a conference or a TV show. Have they set up a backchannel for the conference? I would like to be able to discuss the material with other participants.

See also: backchannel, set, up

See also:

use a backchannel
backchannel
sex tape
pitch-perfect
fifth columnist
talk past each other
talk past one another
all the best
real talk
boys in the back room

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