ON THE MOOC FRONT: MIT announced last week it will offer "XSeries" programs, which are a series of related online courses offered through the edX platform. Two sequences have so far been announced: "Foundation of Computer Science" and "Supply Chain and Logistic Management." According to the press release, each XSeries will "cover content equivalent to two to four traditional residential courses" and could "take between six months and two years to complete." Those who complete with still receive certificates, but no academic credit. EdX co-founder and president Anant Agarwal made a Reddit appearance to answer questions.