In our campus, a gentle hearty senior man is always seen. He is the one I am going to talk about, Mr. Cahan, our foreign teacher from the USA.

在美丽的世纪园里，人们经常会看到一位精神矍铄、风度翩翩的外国老人。他就是来自美国的外教——可汗老师。

youdao

Cahan, now vice president of products at Yahoo, discussed how television is changing with devices, apps and social.

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The growth of tablets such as the iPad and Android devices has changed the way people watch television, Cahan says.

FORBES: IntoNow's Adam Cahan On The Rise Of The Second Screen