 Douglas Engelbart worked with Crane on magnetic logic devices beginning in 1957, before Engelbart moved on to work on hypermedia and augmenting the human intellect with computers, and before Crane began research on replicating human functions with digital computers.In addition to his engineering work at SRI, Crane cofounded Communication Intelligence Corporation (CIC), to commercialize computer-based handwriting recognition on graphics tablets.CIC's "Jot" handwriting recognition software was later acquired by Palm and renamed Graffiti 2.