There's got to be a similar market for "push notification as a service". I wouldn't mind giving a company $20 for credits for 500 push notifications. I hit their API, they push to my phone with whatever text I give them.
What happens to all the old / retired scooters when something like this happens? I'd love to buy a "project" scooter and refurb it back to my satisfaction
Cowrie [0] provides an SFTP and Telnet honeypot and you can configure the filesystem to serve your desired files. Not quite a passthrough for legitimate use, unfortunately