Are imaginary friends common in other cultures? Other places around the world?
Disclaimer time! This was hacked together in ~30 minutes working with tools I already knew worked.
This is not completely cross platform, only works on android, chrome browsers, firefox browsers, and windows 10. No iOS support
This relies on a third party app, Join a very popular android automation app, to work as a receiver. That being said Join is an incredible app that uses your own google drive for notifications. My understanding is that they are not stored on a random developer's server but I haven't researched exactly how he does it.
API keys are stored in the graph in plaintext. Obviously this is a terrible idea but for a quick test it worked fine
A notification is sent whenever there is a change to the pull. This means that you will get a notification when an item is added and and one is removed. In practice this double spams notifications.