Post on 12-Nov-2014
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2. 190+countries500,000+registered educators Scale12,000,000+unique monthly users2,500,000,000+problems answered 3. 762011942012992013 4. Lima, Peru 5. Port-au-Prince, Haiti 6. Dhaka, Bangladesh 7. Ulaanbataar, Mongolia 8. Dordrecht, Netherlands 9. Akhpradzor, Armenia 10. Maharashtra, India 11. Jakarta, Indonesia 12. Warsaw, Poland 13. Ramallah, Palestine 14. So Paulo, Brazil 15. Rangoon, Burma 16. Makhaza, South Africa