Some people want to get their feet wet and learn how to play.  Others may just want to adjust to the site before they move on to a high limits. 
 
I disagree with play money almost the same as micro-limits.  If you play on most play money sites, you'll notice most players going to the river with nothing or very bad draws.  If you play NL micro-limits, even though a dollar isn't really that much, they won't call it down. 
 
I think it's a good way to just get started and learn without losing too much money.
		 
		
		
		
		
		
		
		
		
			
			
			
			
			
			
			
			
			
			
				
			
			
			
		 
	
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