Identify who it is you are trying to influence. Once you've defined them, start to gather data about them. Your potential data sources include, but are certainly not limited to:
"Each year, Datatran Media conducts its annual survey to capture insights from marketers around the globe. This year, Datran Media asked marketers to address their toughest challenges in this increasingly difficult economy. The results of the survey reveal significant optimism towards 2010 marketing and advertising spending, after a decline in 2009. "
