Disruptions: Innovation Isn't Easy, Especially for an Industry Giant.

In Instagram's early days, in offices in the South Park neighborhood of San Francisco, basking in the blue glow of half a dozen computer screens, sat an old Polaroid camera. It was a Rainbow SX-70 OneStep Land Camera. Most of Instagram's 30 million users wouldn't recognize this instant film camera - even though Edwin Land's creation was once a big deal, featured on the cover of Time magazine in 1972 - but they would recognize the echoes of the camera's design in Instagram's logo. [ABSTRACT FROM AUTHOR]