In focus

Video on its way to dominance

作者：21ST

According to Cisco, mobile video will represent 66 percent of global mobile data traffic in the US by 2017, a 51 percent surge from 2012. Watching online videos has already outranked other online activities, reported Pew Research Center in 2012.

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期二十一世纪英文报尊享卡用户，我们开放所有内容：
如果您拥有以上权限，请点这里登录；
订阅电子报，请点这里；
激活VIP教师卡，请点这里；
激活21英语尊享卡，请点这里。