Real estate professionals can encourage visitors to do what on their wikis?

Encouraging visitors to comment about the community on wikis fosters engagement and creates a sense of community among users. When individuals share their thoughts, experiences, and insights about a neighborhood or locality, it adds rich, user-generated content that can provide valuable information to potential buyers or renters. This collaborative input enhances the overall resourcefulness of the wiki, making it a comprehensive tool for those interested in real estate.

In comparison, while sharing personal information, posting property listings, and following updates on market trends are all activities that may relate to real estate, they do not foster the same level of community interaction as sharing comments about the community. Personal information may not be appropriate in a public forum, and property listings may belong more specifically on dedicated real estate sites. Meanwhile, following market trends is more suited to analytical platforms rather than a community-driven space like a wiki.