Some articles use Wikipedia "citations" (sometimes the entire entry). It would be wise to verify any information from Wikipedia against an authoritative third-party source of information as Wikipedia does not vet articles for content nor authors for authority.
was going to install the plug-in into Firefox browser. It tried to install with errors, then I noticed that it was only good to version 3.0, and I had 5.0. Probably more my fault than anything, but still. Should keep up with the times.