Been parusing several sites, blogs, pages and just about anything remotely email related today...it's been "one of those" days. Came across this and thought it was pretty interesting. I think something can be learned about damn near anything if you look at both the good AND the bad examples of how it's done. So to that, here's what this guy learned from SPAM: source: EmailCritic.com
Subject: Someone is searching for you always struck me as a powerful one and kicked ass conversion wise awhile back. It may have been for Zoosk, I forgot.. but damn, if people just arent curious and demand to know who is searching for them.. had amazing CTRs.