Cross posting from twitter
Jupyter Graffiti let’s you “draw” all over your notebook. You can record little videos with voice and annotate stuff. Afterwards they get embedded in your notebook. Looks very very cool for teaching and creating guided tours of notebooks. You can try it here: https://mybinder.org/v2/gh/willkessler/jupytergraffiti/master?filepath=samples%2FGraffiti%20Basic%20Demo.ipynb
