I would say that it depends on the audience. I have to agree with xpaulbettsx, for some users it might be a problem to get the concept. However, I like OpenID

I would say that it depends on the audience. I have to agree with xpaulbettsx, for some users it might be a problem to get the concept. However, I like OpenID idea a lot and plan to use it in my project.I just hate having 73 different user accounts on 57 different sites (I forget passwords and not all sites have nice tools to reset it).