The effort is backed by the $800 million sale of the online platform edX in 2021. What would you do if you had $800 million to build a new nonprofit to support innovation in online learning? That’s the privileged question that officials at Massachusetts Institute of Technology and Harvard University have been mulling over for the last two years, and late last month they announced some answers. The result is a new nonprofit named Axim Collaborative, and its focus will be on serving learners that higher education has historically left behind.