TED's Open Translation Project: 9,000+ translators, 88 languages, nearly 30,000 volunteer-contributed translations of TEDTalks. Hear from some of TED's volunteers about why they choose to translate TEDTalks for the world. Learn more: http://www.ted.com/translate

Thanks to the following volunteers for providing subtitles:

Albanian:
Helena Bedalli & Spartak Ferrollari

Arabic:
Anwar Dafa-Alla & Khalid Marbou

Bulgarian:
Mihail Stoychev & Kaloyana Milinova

Chinese (Simplified):
Jenny Yang & Zhihua Dong

Chinese (Traditional):
Bill Hsiung & Coco Chen

Croatian:
Katarina Smetko & Marija Marčetić

Czech:
Jan Kadlec & Mirek Mráz

Dutch:
Els De Keyser & Christel Foncke

English:
Krystian Aparta & Anna Obarzanowska

Esperanto:
James Piton & Leo de Cooman

French:
Anna Cristiana Minoli & Elisabeth Buffard

German:
Katja Tongucer & Judith Matz

Greek:
Dimitra Papageorgiou & Theodora Apostolopoulou

Hindi:
Gaurav Gupta & Sakshi Mittal

Hungarian:
Krisztian Stancz & Anna Patai

Indonesian:
Antonius Yudi Sendjaja & Wahyu Perdana Yudistiawan

Italian:
Anna Cristiana Minoli & Elena Montrasio

Japanese:
Yasushi Aoki & Yuki Okada

Korean:
InHyuk Song & Hugh Hyung-uk Choi

Persian:
Soheila Jafari & Bidel Akbari

Polish:
Krystian Aparta & Kinga Skorupska

Portuguese (Brazil):
Moema Schlochauer & Elena Crescia

Romanian:
Magda Marcu & Delia Bogdan

Russian:
Aliaksandr Autayeu & Olga Dmitrochenkova

Serbian:
Ivana Korom & Marija Stepanović

Slovenian:
Matej Divjak & Klavdija Černilogar

Spanish:
Sebastian Betti & Amaranta Heredia Jaén

Swedish:
Matti Jääaro & Pia Bergqvist

Turkish:
Ahmet Yukselturk & Meriç Aydonat

Urdu:
Neelma Mumtaz & Shahiryar Khan