http://www.cracked.com/article_20783_5-anti-piracy-strategies-that-screwed-over-regular-gamers.html/?utm_source=facebook&utm_medium=fanpage&utm_campaign=new+article&wa_ibsrc=fanpage
'

A pioneer in the "only making things worse" approach to video game copy protection was the Lenslok: a little plastic contraption powered by tiny prisms that apparently sought to negate Atari-era piracy by making the simple act of playing a game so ****ing tedious that you'd end up throwing your primitive console out the window.
'
.. more on the link