Rand McNally’s first printed map appeared in a December 1872 railway magazine. Its iconic Road Atlas was first released in 1924, helping stake Rand McNally’s claim as the household name it remains today. But selling printed maps in 2014 isn’t quite the business it was in 1939 when Germany invaded Poland and U.S. stores sold out of Rand McNally’s European maps in 24 hours. Today, the Skokie-based company known for its mapmaking has transformed into a technology business. In addition to maps, …