The term chain in this case usually refers to the measuring instrument rather than a unit of length; the distances measured with such an instrument are normally measured in feet (and usually decimal fractions of a foot, not inches).
Messages: 7,549. Likes Received: 4,600. For the record, Disney did try to sell lifetime passes at the Magic Kingdom the first year it was open (1971) called a Gold Pass for $100. This pass was said to be good for a lifetime and for any additional parks that they may add in the future.
All the parks have added new attractions, ranging from Soarin' at Epcot to Universal's Fear Factor Live to SeaWorld's new entertainment and dining district, the Waterfront. In 2005, in honor of California sibling Disneyland's 50th anniversary, Disney World unveiled new shows, services, rides, and attractions.