This does a much better job of explaining than I could: https://www.analyticsvid...

		ChristianGeek on Jan 7, 2017 \| parent \| context \| favorite \| on: Use Machine Learning to Increase Sales from Your P... This does a much better job of explaining than I could: https://www.analyticsvidhya.com/blog/2015/07/difference-mach... TL;DR: Just because you used a servo from a robot kit doesn't mean you built a robot (not meant in a harsh way, just using an analogy).