Experiment in drawing with all the fingers.
Multitouch devices unlock a level expressivity hard to achieve in traditional point-and-click mediums such as the mouse.
This is what you'd be able to draw with a cursor:
Compare to what you can draw using all your fingers, on an iPad (click links to see videos):
Such multitouch drawing environment is to point-and-click environment what piano chords are to single piano keys. It seems that most of our computer-based creative work is still akin to playing one piano note at time.
git clone https://github.com/chenglou/multitouch-line-art.git
cd multitouch-line-art
yarn
yarn start
# in another tab
yarn server
Then connect to your iPad by doing this and going to insert.your.ip.here:8080
.