What is the purpose of Foursquare?

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5. Does Foursquare still exist?
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Tags

1. #service
2. #these
3. #common
4. #iphone
5. #attractions
6. #download
7. #businesses
8. #devices
9. #smartphones
10. #powered
11. #networking
12. #blackberry
13. #including
14. #around
15. #share
16. #phones
17. #available
18. #about
19. #purpose
20. #android
21. #discover
22. #foursquare
23. #social
24. #information