On Wed, 7 Aug 2013, Ted Lemon wrote: > Actually, the main argument I'd make against IETF RFID tags is that > it's more plastic to throw out. > Unless we adopt the WIDE practice where the tag is re-used from meeting to meeting. It's an elegant solution, and not that different from the reason I own a complete set of Suica, Pasmo, ICOCA, PASPY and London Oyster cards. Ole