Zipcar - The best new idea in business
Paul Keegan, August 27, 2009

Zipcar: an America's Hottest Brands Case Study
Kunar Patel, November 16, 2009

Zipcar Finds a Niche in Turbulent Economy
Rupal Parekh , January 26, 2009

Brand Campaign 2008 - Your calling is calling
http://www.about-monster.com/content/monster-unveils-multifaceted-worldwide-branding-campaign

Brand Campaign 2007 - Monster Works for Me
http://www.brandweek.com/bw/esearch/article_display.jsp?vnu_content_id=1003691650