Over time, we have called it packfilm and peel-apart and Polacolor. But it's all Type 100 - a broad category of 3.25" x 4.25" print films, served from a continuous pack of 10 frames.

Type 108 was the first color film in the Type 100 format, and it remained THE dominant color 3x4 instant film for nearly 50 years. Warhol used it. So did your local DMV. Folks in the fashion, casting, passport and studio photography industries bought it by the dozens of cases.

Long after production ended, a group of photographers, connected by the Internet, began to share images shot on extremely expired 108 films. These films often held up admirably for a decade or more after their expiration dates. The unique aesthetic of the prints, full of "defects," faded colors and strange artifacts, became quite popular in the instant community and even spilled over into art and popular culture in the mid- to late 2000s.

Type 100 film was arguably Dr. Land's most iconic invention. We say this because these 3x4 photographs were the origin of the enduring myth that you must "dry out" a Polaroid picture by shaking it.

Yes, for a short time, in the earliest days of Type 100, you were required to coat the film after processing, otherwise the image may fade or be otherwise damaged. And that coating was indeed wet, so people started shaking them to dry them quickly.

And we just never stopped shaking them, even though it really serves no purpose. 60 years on, this shaking thing is engrained in our DNA. Hand a child a Polaroid and see what happens...