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Since you already have one link from them, i would not bother getting the 2nd link. This earlier post might also be helpful for you.

"read more" just makes sense to me. That's what you want people to do isn't it? If it makes sense for your users AND search engines "get' it....then by all means yes, do it. Ciao bluekite! Dana

Again my gut instinct is to have them select a password. But, that may not be the best for our customers. Case in point, I don't think that's the way SEOMoz Pro works. I think they email a password, and I still joined. Go figure.