Player989random wroteAnd why widen the free-throw lane?
The key used to look like a key:

And then along came Leroy Edwards, George Mikan, Bob Kurland, Bill Russell, and Wilt Chamberlain. As these imposing centers dominated the paint, scoring at will, the key was widened, and widened again. As big men continue to get taller, stronger, and faster, the rules continue to evolve.