EDIT - it's free of charge: https://research.google.com/colaboratory/faq.html https://research.google.com/colaboratory/faq.html --- First time I've used "cola

EDIT - it's free of charge: https://research.google.com/colaboratory/faq.html https://research.google.com/colaboratory/faq.html --- First time I've used "colab" - looks great. Out of interest, who pays for the compute used by this? Is it freely offerred by Google? Or is it charged to my Google API account when I use it? Or your account? It wasn't clear in the UI.