Originally Posted by jcrox
The people that I love are the ones that can "clearly tell the difference" between 70fps and 100fps.
Find a CRT and set the refresh rate to 72Hz, wave a pen back and forth in front of the screen at a high rate of speed and notice the distance between the images. Then try 100Hz and do the same. While games may not be as apparent it goes to show the change in Hz can easily be seen.