E-Marketing and New Business Models from the Tepper School of Business at Carnegie Mellon University.
Marketing in the participation age : a guide to motivating people to join, share, take part, connect, and engage by 
Visual marketing with the Power of Pinterest and Instagram by 
QR codes kill kittens : how to alienate customers, dishearten employees, and drive your business into the ground by 
The art of social selling : finding and engaging customers on Twitter, Facebook, LinkedIn, and other social networks by 
Drucker on marketing : lessons from the world's most influential business thinker by 