Like invisible ink for the digital age, Sang Mun createda rebellious wayto type covert messages only decodable by human eyes. (Or we can pretend it does, anyway --hackers have pointed outit's not totally effective.)
Mun, a recent graduate of the Rhode Island School of Design,created a typefacecalled ZXX intended to fool text-scanning programs in protest of the National Security Agency's surveillance programs that were brought to light this year. The font gets its name from the coding system the Library of Congress' uses to label a book's written language. "ZXX" indicates "no linguistic content." It'sfree to downloadonline.