If people followed up immediately after they said "Hi", "nohello" would not exist, or it wouldn't be relevant. Saying just hi is a problem because often, people

If people followed up immediately after they said "Hi", "nohello" would not exist, or it wouldn't be relevant. Saying just hi is a problem because often, people interrupt each other by "hi", followed by several literal minutes of "Typing..." on the bottom of the screen, or nothing at all.