NYT: In the 3-point shot’s first year, 1979-80, N.B.A. teams averaged less than three attempts a game. Now they’re averaging 24, and the shot is a vital part of every offense.

http://www.nytimes.com/2016/01/21/sports/basketball/how-the-nba-3-point-shot-went-from-gimmick-to-game-changer.html?ref=sports