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.
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Tactile Skin Supplier Map
'What strange sensitivity! What an amazing development of science was manifested in every move and act and word of this Robot!'
Orb Nomad Zero-Emission Electric Aircraft
'That explains how it was so easy for me to remain motionless in midair or to perch on a flagpole in imitation of a giant bird, even in the windy city of Chicago.'
DIY Robot Scorpion Crushes It
'...it raised its front end off the ground and waved its antennae at them, then raised one armoured claw as if to snip them out of the sky.'