What is the Cloud?

Fallacies of distributes computing

https://en.m.wikipedia.org/wiki/Fallacies_of_distributed_computing

Leaky abstraction

https://en.m.wikipedia.org/wiki/Leaky_abstraction

Cloud security

https://en.m.wikipedia.org/wiki/Cloud_computing_security

You may lose access to your data at any point.  Your service provider could decide they don't want to host your content.

https://www.wired.com/story/what-happens-when-a-romance-author-gets-locked-out-of-google-docs/