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					Originally Posted by  Alex
					 
				 
				Here's a  quick rundown of some of the medical, and technical improvements feeding into the new world records.  
			
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					Originally Posted by link
					
				 
				Michael Phelps' coach says the LZR suit is fair. "Everybody is in the suit so it's across the board," he argues. That may be true of today's top swimmers. But it's not true of yesterday's. So comparing today's performances to the performances of 20, eight, or even four years ago—which is what "new Olympic record" means—is generally unfair. 
			
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 That goes back to what I was saying. Who knows what those records would have been if this technology was available then.
Breaking the record by a small amount is feasible, but by several seconds? That's technology.