Could 3-pt proliferation lead to 4-pt shot? 

March, 2, 2014
Recently, we heard that the NBA has loosely considered adding a 4-point shot, a notion that reportedly has been presented for discussion at the league level.

"The NBA adopted the 3-point shot from the old ABA starting in the 1979-80 season. As for the prospect of a 4-point shot, [NBA president of basketball operations Rod] Thorn said that, too, is 'something that's come up' as an informal proposal," wrote ESPN's Marc Stein.

In other words, it's something that has been discussed conceptually but currently has no traction. Yet, the 3-point shot has become so commonplace that at some point down the road, the NBA may need to give deeper consideration to a more difficult 4-point option.