Simon Dumenco is the "Media Guy" columnist for Advertising Age. You can follow him on Twitter @simondumenco.
The Black Friday-Cyber Monday weekend is the blockbuster sales period for marketers, not just as the holiday launching point, but also as a contributor to overall annual sales. Savvy marketers are starting early and turning to omnichannel optimization. Learn what you need to do now. Brought to you by Criteo.Learn more