A device that can manipulate croutons, single or en mass. The device might use optical tweezers for the fiddly bits, and magnetism for broader strokes - using food-grade iron particles in the croutons.
What a boon to society would it be to get the latest stock market info scrolling down your meal etc.-- not_morrison_rm, Apr 25 2019 Tiny croissant-shaped crouton [+] --- 8th of 7, Apr 25 2019 Hahaha..... eat information.
Pity about loss in iron sand stocks after the great bowl rise of yester-microsecond (computer trading).-- wjt, Apr 26 2019 Thinking about it, it could work with black-eyed peas if you could precisely place the magnetic bit.-- not_morrison_rm, Apr 26 2019 Give it a few million years and future iron age miners will marvel at the rich pickings arranged in superb straight lines.-- DenholmRicshaw, Apr 26 2019 random, halfbakery