I'm happy to share these 12 Subject Line Tweaks with you. These tips come from Constant Contact's 12 Subject Line Tweaks (to improve your email open rate) and I have injected my own real life business examples in many of the tweaks. To learn more about our email marketing services, please visit https://www.thesocialgloo.com. These tips are produced by Ken Fehner, Owner of The Social Gloo.