Banksy painting uses hidden shredder to destroy itself after auction
 

Banksy just delivered a masterclass in using technology to both create and comment on art. The mysterious artist hid a shredder in the frame for his 2006 painting Girl With Red Balloon, and when it was sold at auction for £1,042,000 (about $1.4...

https://www.engadget.com/2018/10/06/...-hid-shredder/