The original objective of this study is to scan the internet and other information technology sources to identify innovative marketing techniques that have been attempted to date by, in and surrounding the public transportation industry, and to solicit ideas for more unconventional applications that transit agencies and TDM professionals can consider. The investigation led to the uses, applications, marketing and communications potential of social media for the public transportation and Transportation Demand Management industries. Social media afford low cost, high impact techniques that can be easily and quickly employed to reach target markets and audiences. The.