Most U.S. consumer Internet companies have a hard time breaking into China. Cultural differences and the Internet firewall are a huge barrier to entry. Even tech giants like Google, Facebook and Twitter have pulled out or found themselves on the wrong side of the Chinese firewall. So how did Coursera, a relatively young company, achieve this significant milestone?

Most U.S. consumer Internet companies have a hard time breaking into China. Cultural differences and the Internet firewall are a huge barrier to entry. Even tech giants like Google, Facebook and Twitter have pulled out or found themselves on the wrong side of the Chinese firewall. So how did Coursera, a relatively young company, achieve this significant milestone?