If there was an IQ pill and it wasn't easy to mass produce, actually even if it was easy to mass produce the people in the bottom are probably the last people who are going to get it. So it would technically improve society as a whole but might not balance the curve as well, unless the pill had an upper limit that everyone who'd take it would reach.,(reply>), @William Parker yes I think so too,(reply>), I imagine it would have a diminishing returns unless the brain's capacity or structure is modified.