vanity metric – A metric meant to impress others or one’s ego, without providing insights for smart business decisions.
vertical banner – A banner ad measuring 120 pixels wide and 240 pixels tall.
view through conversion – When a user sees an ad without interacting with it, and later converts within a time period defined as the conversion window.
viral marketing – Marketing phenomenon that facilitates and encourages people to pass along a marketing message.
vlog – A blog that publishes video content.