This advertisement speaks for itself - literally. When readers of the Times of India opened their morning paper, an audio chip placed within the pages produced its advertisement as soon as the photodiode that powered the chip was exposed the light.
Listen to the ad in this short video.
(Volkswagen newspaper ad)
Fans of author Greg Bear recall the speaker chips used for advertisements in books in his 2003 novel Darwin's Children:
Without thinking, Kaye turned right and found herself in the religious section. Most of the shelves were filled with brightly colored apocalypse novels...
Most of the books had speaker chips that could read out the entire story. The same chips replaced jacket copy with vocal come-ons. The shelves murmured softly in a wave, like ghosts triggered by Kaye's brief passage.
Zoom Education Idea Is 100 Years Old
'... the frosted glass squares began, one by one, to show the faces and shoulders of a peculiar type of young men.' - Harry Stephen Keeler, 1915.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
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Illustrating Classic Heinlein With AI
'Stasis, cold sleep, hibernation, hypothermia, reduced metabolism, call it what you will - the logistics-medicine research teams had found a way to stack people like cordwood and use them when needed.'
Deflector Plasma Screen For Drones ala Star Wars
'If the enemy persists in attacking or even intensifies their power, the density of the plasma in space will suddenly increase, causing it to reflect most of the incoming energy like a mirror.'