You can share this video by copying this HTML to your clipboard and pasting into your blog or web page.
You either have JavaScript turned off or have an old version of the Adobe Flash Player. To view this rating widget you
need to get the latest Flash player.
If your browser allows only "trusted sites" to execute Javascript, you should add the "googleapis.com" domain to your whitelist to allow our Flash detection to work properly.
Got an idea, question, or debate inspired by this talk? Start a TED Conversation.
Kevin Alloca é o gestor de tendências do YouTube e tem pensamentos profundos sobre vídeos parvos da Web. Nesta palestra que deu para a TEDYouth, partilha as 4 razões que fazem com que um vídeo se torne viral. (Esta é a primeira palestra publicada de um fantástico evento TEDYouth. Muitas outras serão colocadas on-line no próximo mês, integradas no lançamento do nosso TED-Ed. Mal podemos esperar...)
Kevin Allocca watches YouTube videos. For his job. Full bio »
Translated into Portuguese by Cátia Monteiro
Reviewed by Miguel Cabral de Pinho
Comments? Please email the translators above.
Just follow the guidelines outlined under our Creative Commons license.
This comment will be attributed to . Not ? Sign Out.