# Make rocketbook cards with metadata scanning [[Digital Utopianism]] [[Zettelkasten]] [[💡 App ideas]] [[Personal Knowledge Management]] [[🧠 Notetaking]] Especially with rocket book style cards, wouldn't it be cool to encode metadata and recognize it with some image recognition software? We could build a prototype in [[Mathematica]] at [[My retreat at the recurse center]]. See also [[Rich Gold]] [https://cygnuscon.files.wordpress.com/2013/02/the-plenitude.pdf](https://cygnuscon.files.wordpress.com/2013/02/the-plenitude.pdf) on page 69.