Oh and for my non SM custies I give a little "tell everybody how we did" flyer with sites they can review us to encourage reviews to be placed where I want them.
Oh yeah #2...the one that is easiest on the custie (they don't have to make an account). I assume you get email addies when you talk to them. If they have a a gmail addie: google local MSN:Bing Yahoo: Yahoo local etc