File systems are a useful abstraction and should be taught to anyone using computers.

*Hiding* filesystems should be punishable by flogging.

Non-techie client that has lost some files and it turns out they were stored on OneDrive...except that they don't have OneDrive installed. Doesn't stop Word from using it as an online file system 🤦‍♂️

Only visible by going back through recent files 😤