Huffington Post:  “In spite of what you may think, legal pot doesn’t just sell itself, marijuana’s marketers are finding. . . . The marketers said they’re finding much of the media industry remains hostile to pot businesses. Online search giant Google wants nothing to do with them, as do many newspaper publishers. Billboard operators are reluctant to offer them space. Even some pro-marijuana activists said they worry that an out-and-proud embrace of marijuana advertising could spark a reactionary backlash.