Novelty apps have become an essential part of the smart phone experience. Many, like iFart or Poop the World, are dumb distractions, but others might actually teach you something.
Alan Greenblatt has been covering politics and government in Washington and around the country for 20 years. He came to NPR as a digital reporter in 2010, writing about a wide range of topics, including elections, housing economics, natural disasters and same-sex marriage.