冰桶挑战为何会那么火

这篇文章总结得不错。

• Ensure it’s something everyone is capable of doing
• Ensure it’s something everyone’s friends would want to see them doing
• Ensure it’s something everyone is proud of doing
• Ensure it propagates virally
• Add a bit of guilt and stir

很多平民百姓也争相冰桶挑战了，尤其是Facebook上的印度同事们。。。