Understanding the effectiveness of a marketing channel fully requires understanding the revenue impact that the channel drives. Both as a source of a prospect (e.g. prospects who respond to a notification email spends $12.17 in their first year with us) and, as an influence on a prospect (e.g. sending a prospect monthly nurture emails increases their average yearly purchase amount by 45%).
See this Amp at http://bit.ly/ir0Bjz
