Hal Abelson is Class of 1922 Professor of Electrical Engineering and Computer Science at MIT, and an IEEE Fellow. He has helped drive innovative educational technology initiatives such MIT OpenCourseWare, cofounded Creative Commons and Public Knowledge, and was founding director of the Free Software Foundation. Ken Ledeen, Chairman/CEO of Nevo Technologies, has served on the boards of numerous technology companies. Harry Lewis, former Dean of Harvard College, is Gordon McKay Professor of Computer Science at Harvard. He is author of Excellence Without a Soul: Does Liberal Education Have a Future? Together, the authors teach Quantitative Reasoning 48, an innovative Harvard course on information for non-technical, non-mathematically oriented students.