If you need another boost of ego, the following study comes in handy. Based on a 30-day period of tracking conversion rates across four different channels, this study showed that email was still a winner.
The conversions were tracked by Marketing Experiments across multiple channels, including organic site traffic, AdWords traffic, Yahoo Search PPC and a […]

JupiterResearch in its January 2005 report titled Effective Email Marketing found that marketers using testing were almost twice as likely to attain conversion rates of three percent or better. They also achieved a 68 percent improvement in return over non-testers.
Email is extremely measurable but few marketers take advantage of this. Bill Nussey at iMedia Connection […]