15. The system of claim 14 , wherein the pull-based communication channel is the type of communication channel that handles notifying the first user about the message responsive to the first user requesting information with the second context.
16. The system of claim 15 , wherein the instructions further cause the one or more processors to: receive a search query from the first user that includes search terms corresponding to the second context; generate search results including the message; and provide the search results including the message to the first user.