The only problem I have with the Colaboratory Notebooks is that file I/O is a pain in the butt (and requires Chrome).
Transfer from Google Drive is particularly fast (many GB is no problem) since it's google datacenter to datacenter.
This sounds a lot like the old Google, which offered a lot of stuff for free but had to shut it down. Do you have any thoughts on that? Are there plans for a paid offering?
Then I click the first little play button for "Setup Environment" then it gives me that error. I'm on chrome 67.0.3396.99 on OSX, and I do in fact have third party cookies disabled (for the usual privacy reasons).
Specifically it is `NotSupportedError: Failed to register a ServiceWorker: The user denied permission to use Service Worker.` which is probably due to the privacy settings?