where they can find their voters. one of the ways they've been able to do this is by having a marketing campaign that seems really quirky and sometimes silly, but it works. and that is, if you pull it up here, selling gear, selling merch. shipt tr-shirt, stop the impeachment gear. >> you're not actually buying a shirt. you're giving the campaign a donation which accounts for a bit of personal information in return for that. this goes back to bush-cheney. they took the sign-making operation in-house and by doing that, they launched the era. obama did it to keep track of their voters. if you bought ten t-shirts,