DURHAM, N.C.--(BUSINESS WIRE)--Windsor Circle, an industry leader in retention marketing automation for retailers, will announce two new product innovations at the eTail East conference on August 10-13 in Boston. The award-winning firm is also sponsoring Email Day and hosting a roundtable with the help of a successful client. In addition, they plan to kick off an exciting roadshow series during the week with a “Road to Retention” event in Boston on August 12. Thousands are expected to attend th