In 2009, Kodak announced that it was ending its production of Kodachrome slide film and removing it from the market. (see previous article at http://news.deviantart.com/article/83929 )
Almost immediately, what stock there was of it available vanished as film photographers "snapped up" what was left. Known for rich colour depth and good longevity of the stock, it was a staple of both movie and still captures for years, and immortalized in the song Kodachrome by Paul Simon.
Unlike modern films, Kodachrome's colours were added during the developing process by using three distinct steps and chemical additions. The complexity of the process and precise control required to perform it correctly meant that, over the years, it became very difficult to get a film developed.
The last remaining facility offering this service, Dwayne's Photo in Parsons, Kansas, is no longer accepting developing orders. Full article at http://www.cbc.ca/