I happened upon this video and decided it was too interesting not to share! An excellent introductory piece on machine learning.
This video, and the rest of the course, is available free of charge via a creative commons license. You may share this content.
MIT 6.0002 Introduction to Computational Thinking and Data Science, Fall 2016
Complete course: http://ocw.mit.edu/6-0002F16
Instructor: Eric Grimson