MRI+ is a research tool providing data on advertising rates in magazines and other materials, and market research data. Its "Mediamark Reporter" can show information about the people who consume given products in a given area.
Go to http://www.mriplus.com and click "Register for Free." You can create your account even from off-campus, but you must use your ulm.edu email address. When you are done, MRI+ will send you a confirmation email to activate your account, and you can use the "Existing Users Login" on the left of the page.