It reminds me of the old app Yik Yak. Loved that you could be in a crowd watching a speaker and be having a conversation parallel with other audience members about what the speaker was saying, unknown to them and without their permission

Trying bitchat - anyone remember the app Yik Yak? The location based chat app that had five minutes of fame? One of the coolest things about that app was the college experience where people would be discussing anonymouksy something like a speaker at their university while sitting in the crowd