Is there a special add-on or an application, possibly web based, that I could use to co-browse websites with my friend? So that I could see the contents of my friends screen, when he's surfing the web.
There are legatimate uses for such software, for example at help desks there the helper can see that the client is doing so that the helper can help the client. We had software something like that at my last job. I think it was commercial program, possibly Norton PC Anywhere or something like that.