Daily Bafflements

• Great Idea of the Day: Marco Rubio is stumping and traveling with a professional photographer, and when supporters or bystanders get their pictures taken with him, they’re handed a card that tells them where to go online to download their pictures. When they go online to get them, they must enter their names, addresses, and emails. This happens to be a perfect way “to collect information on voters and add them to Rubio’s PAC list: information that will be especially useful down the road should Rubio run for president in 2016,” reports Kate Nocera in Buzzfeed.

• An Oxfam report reveals that “the number of billionaires in the world has more than doubled since the financial crisis began.”

•“Businesses that ask creative professionals to work in exchange for “exposure” should be publicly named and shamed,” writes Ted Gioia in The Daily Beast, and he names and shames some, like the Ritz-Carlton, the NFL, the Smithsonian Institution, Showtime, the Breeders’ Cup World Championships, The Pittsburgh Post-Gazette, the Library of Congress, and Google. (Via Helaine Olen.)

• Today in Commodification: Ebola blood.