-girl goes out to to pull. Gives her number freely knowing that it's only good for a few days.
- enter online competitions that might be spam. Advertise a job without getting onto a HR spam list
- Sell a used monkey online without fear of monkey spam
- Put up an MVP for a salsa lesson in Denmark. Get a local number using the app you already know about from the monkey business
- Set up sales meeting with your competitors (define licit..)
- Inform on your boss
- Call your uncle in Iran
I'm sure there are lots more. Who doesn't have some temporary/secondary email addresses?