Thirty-five years ago—in December 1975—an engineer named Steven Sasson snapped a photo with the world's first fully digital camera at a Kodak lab. It took 23 seconds to record a 100-by-100-pixel image to cassette tape. Not until the early 1990s, however, did digital photo technology take off, launching an attack that would conquer the consumer camera industry in less than a decade. In the slides ahead, let's examine some highlights of digital camera history.