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Kibitz is also a term referring to circular commenting. One person comments, then the other person comments. A back-and-forth conversation outside the main issue, where the people having the conversation are not directly participating.[clarification needed]
In computer science the term is the title of a programming language released by NIST as a sub-project of the Expect programming language, that allows two users to share one shell session, taking turns typing one after another.
Jane Jacobs refers to a kibitzer as someone who can look out onto a street, and if they saw any suspicious activity, will intervene and help the victim. In this way, kibitzers help keep streets safe.