#LIvebook is a tool to mix documentation and code (which can be evaluated). For learning or for creating small tutorials. You can then share them.

Demo with the :gen_tcp module. (With Murphy's help, to be sue it's a real demo.)

Quite convincing.

"Shorter feedback loops with Livebook" by Linus De Meyere

"Are you hungry?" [several hands raised]

"I cannot help with that but I can explain #Livebook"