Must have

1. As a user I can get a list with locations based on an address.
2. As a user I can get a list with locations around me.
3. As a user I can add myself to a location with a given time.
4. As a user I can see other people going to a specific location.
5. As a user I can create a a user account.

Good to have

6. As a user I can get a list with the people going to a specific location.
7. As a user I can check a specific person's profile.
8. As a user I can see the places I've been to.
9. As a user I can add other users as friends.
10. As a user I can add my own home as a location.

Nice to have

11. As a user I can see other users' friends.
12. As a user I subscribe to a location and receive notifications.
13. As a user I can create an event.

Optional

14. As a user I can notify a specific location that I'm going.
15. As a user I can specify a range around me.
16. As a user I can get personalized search results.
17. As a user I can give ratings to a location