In general, the most effective subject lines are straightforward and predispose openers to click through and convert. But creativity does have its place.
Creative language can differentiate non-promotional from sales-oriented messages. It can give your emails the edge—especially when your subject line is backed up with great email content.
To get your creative juices flowing, here are our picks for some of the most inspiring subject lines since 2006—along with some notable trends and events through the years that have affected subject lines.
Read More: http://www.exacttarget.com/blog/100-inspiring-subject-lines/