Before we see this link of videos you given in you tube,we already know and heard that  the casino gambling is full of cheat,like this,statement you said that they know the next card they open or given,but i dont know  if this application of cheating should be apply in the online gaming of gambling site's we hope not because its run through internet technology,but  if that things should pop up in our mind that there is cheating,we better find another ways of recreation.