Can anyone give me a heads up on these global roaming sims? I am likely to use email and data "google Maps" etc as much or more than phone calls. This is all on the mobile so I can't use a laptop datacard. Any suggestions as to the best options. Most of this year's travel will be in Asia.
	
		
			
		
		
	
				
			
				
						
 
 
 
 
 
 
 
 
 
 
 
 
 