Best case I can think of is facebook, who started with "thefacebook.com", and later bought facebook.com. Also, didn't AirBNB start with airbedandbreakfast.com?

Best case I can think of is facebook, who started with "thefacebook.com", and later bought facebook.com. Also, didn't AirBNB start with airbedandbreakfast.com? (which now redirects to airbnb.com)