Machine Learning and Artificial Intelligence have long been interests of mine. AI and Machine learning classes being offered by Stanford. I truly feel as if advanced engineering practices such as machine learning and AI are going to be what separates the good companies from the truly great companies over the course of the next decade. So far, these classes have great introductions if you've never been exposed to the fields, and promise to go much deeper.
I'm very glad that this online education movement, which was legitimized by Khan Academy IMO, is gaining momentum. Soon, the whole world will have easy access to even the most advanced topics ... the future will be ours to create, if only we step up to the challenge.
In the meantime, if you're interested you should get started by watching the intro lectures, and (at least in the case of the ML Class) installing Octave: http://www.gnu.org/software/octave/
AI and Machine Learning
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