Adotas, Wednesday, October 1, 2014 Email delivery services firm Return Path has been awarded a new patent to measure inbox placement and determine whether email marketing messages have landed in an inbox or spam trap. The U.S. Patent #8,719,356 B2 patent allows the company to use multiple data sources to monitor email delivery rates in order to determine … Continue reading Return Path Awarded New Patent to Use Data to Measure Inbox Placement