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Smartflash was essentially a dongle that authenticated access to content; the content could ride aboard the dongle, aboard chipped cards, or be pulled remotely. They attracted some ‘name’ clients, but the magic didn’t last...
https://www.youtube.com/watch?v=3LzvSSkH7uM
and
https://www.youtube.com/watch?v=5wAoFBcNySw