This is the summary of an article by Tim Peterson. It talks about email retargeting, which is the process of tagging subscribers with identifiers and targeting online display advertisements to those consumers. Targeting is based on their email behavior. Email retargeting has been found to increase consumer reach and touch them more frequently, among other benefits. However, only a few marketers take advantage of this retargeting technique, perhaps because it is not clear to most of them that there is a strong connection between display ads and email. Here’s a link to the original behavioral targeting article: Email retargeting: no-brainer for brands.