Recently, email marketers are using the coupons. It was found in a research that 71% of the population say coupons sent in emails very useful. Email coupons can work very well as a promotional tool and can be effective when they are personalized by product preferences. Jordie van Rijn (author) in his blog writes how we can improve the usage of coupons to improve business. Read more at: http://blog.getresponse.com/making-your-email-coupons-work-harder.html