ST. PETERSBURG, FL: A new search tool that can identify which organizations edit Wikipedia entries has raised questions about the PR industry's involvement with the influential site.

The WikiScanner tracks anonymous edits and is able to link them to certain organizations through IP addresses. The site, which is not affiliated with Wikipedia, launched earlier this month, and several PR agencies have already come under fire for changes made to their clients' entries.

For example, Freud Communications' London office was caught making ...