Two years ago, the Washington Post company sold Newsweek magazine for one dollar. The buyer, Sidney Harman, died the following year. Tina Brown founded the Newsweek and Daily Beast Company, and today she announced that the printed version of Newsweek will be no more. After 80 years as a print publication, the magazine will go all-digital early next year. Andrew Beaujon, senior reporter at Poynter Online, has more on the changing world of information and advertising.