On January 21, 1967, a mild winter Saturday in Cambridge, Massachusetts, a couple of computer researchers from the Artificial Intelligence (AI) Laboratory at the Massachusetts Institute of Technology (MIT) flagged down a taxi near Tech Square. Loading a bulky, 60-pound teletype called a 35 KSR (“Keyboard Send/Receive”) into the trunk, they set off for downtown Boston, across the river. A short while later, the cab pulled up at the Young Men’s Christian Union (YMCU), and the researchers wrestled the machine up the stairs to the second floor, where the Boylston Chess Club was setting up for a weekend tournament. (read more...)