A startup based in Shanghai, with United States headquarters in Woburn, Mass., 8D World, has attracted a series B investment of $5.25 million for their educational take on massively multiplayer online games, the company announced today. Their flagship product, Wiz World Online, uses sophisticated speech assessment features to teach mostly kids and teens English as a foreign

When it comes to the quickly growing online textbook-rental market, Chegg is the young giant to beat. But its smaller competitor, Bookrenter, is making some impressive gains. If you look at traffic to each respective website, you can see spikes at the beginning of each semester (see chart above).

Last January, Bookrenter’s traffic was only 12.6 percent