Mark Zuckerberg, 「like」, 「dislike」. 馬克·扎克伯格, 『讚』, 『不讚』

Peter Dasilva/European Pressphoto Agency

For the first time, a billion people used Facebook in a single day on Monday. Zuckerberg marked the occasion with a post on his Facebook page, saying that one out of seven people on Earth logged in to the social network to connect with their friends and family. THE ASSOCIATED PRESS
What’s in a billion? Facebook users hit milestone in one day | TBO.com and The Tampa Tribune
http://www.tbo.com/ap/whats-in-a-billion-facebook-users-hit-milestone-in-one-day-20150828/
Facebook用戶不再只能「點贊」了（英文） - 纽约时报中文网 国际纵览
http://cn.nytimes.com/technology/20150916/cc16bits-facebook/zh-hant/
千呼萬喚 臉書「不讚」(dislike)始出來?
http://a.udn.com/focus/2015/09/16/12384/index.html