Do you buy mailing list data? If so you may be familiar with datacard selections, which provide the source titles and brief descriptions of the audience the list targets. Importantly, datacards are about numbers. For starters, the sheer number of…

Do you buy mailing list data? If so you may be familiar with datacard selections, which provide the source titles and brief descriptions of the audience the list targets. Importantly, datacards are about numbers. For starters, the sheer number of…