Launched in 2012 by andrew ng and daphne koller coursera’s mission is to provide universal access to learning. Coursera上付费买课的话现在有两种方式，一是通过 visa 、 万事达 或者 paypal 吗，这种途径买课的话单独course有14天无理由退款（拿到证书就不能退了），专项课程的话也可以享受七天免费试用。. Online learning platform coursera recorded 20 million new student.
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People are increasingly accessing online courses to help them navigate today’s ever changing labour market. 坦白来说在国内 coursera 的证书认可度是比较低的，用处不能说没有吧但是基本可以忽略。。也就是保研或 考研面试 的时候拿出来比较管用，求职的话外企，尤其是美企会比较认可，还局限在 互联网领. It is now one of the largest online learning platforms globally, with 118.
