Nicko from the Sunlight Foundation sez, “Before Americans open their wallets for Black Friday (and Cyber Monday), the Sunlight Foundation encourages consumers to first explore the connection between their spending and politics in Washington. Checking Influence, a secure bookmarklet that analyzes financial statements with one click, exposes the lobbying activities and campaign contributions of companies you frequent. ”
Checking Influence | Influence Explorer
(Thanks, Nicko!)