KNEWTON'S NEW FRIENDS: Knewton, fresh off a big $51M round over Christmas, continues its push to brings its adaptive learning technology to major content providers. The next big major publisher will be Cengage, which will apply Knewton's predictive analytics to management and sociology content on its MindTap platform beginning in Fall 2015. Knewton also counts Pearson, Houghton Mifflin Harcourt and Macmillan Education as content partners.