HOT MONEY! German media conglomerate, Bertelsmann is set to invest approximately $230 million in HotChalk, a Campbell, CA-based company that has helped colleges build 33 online degree programs. Founded in 2004, HotChalk initially focused on creating a K-12 social learning platform—a precursor to Edmodo, one might say—where teachers can share content, assign homework and grades; at its peak it claimed 375,000 teacher-users. (Here’s a six-part interview with HotChalk’s CEO from 2008.) It has since pivoted away from this model.