etahMail, an Experian-owned e-mail and Web analytics firm, partnered with word-of-mouth specialist Bazaarvoice to introduce CheetahMail's Customer Ratings & Reviews E-Mail Marketing Program.

The program lets marketers improve the relevancy and credibility of their programs by including customer opinions and product reviews into their e-mail programs, CheetahMail said. This can potentially lead to better conversion and order rates.