Survey was of nearly 4,000 U.S. online adults, where they were asked: "How much do you trust the following sources of information?"
A company's Web site: 30% A brand's Web site: 27% Ads in newspaper: 22% Email from a company: 21% Ads on TV: 21% Ads in magazines: 21% Direct Mail: 19% Online brand sponsorships: 17% Ads on the radio: 17% A company's social network profile: 13% Ads in search engines: 12% A company's blog: 12% Online banner ads: 9% Mobile ads: 6%