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Why did you feel it necessary to invent the lectures yourself? Surely there are world class lectures out there that you could leverage and then use your time more effectively in the person to person setting?

Seems like we are missing the whole potential of the digital (infinitely scalable one to many lectures) by constantly reinventing the wheel.

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It's like asking why people still produce music when there are world class records out there.

Or why people still write books.

Teaching is a performance art as well.

That aside, as a graduate student I didn't have that much freedom (or didn't understand how much freedom I actually had) in making changes - and also, it was my first time as an instructor of record, so I was trying different approaches. If I teach again (currently I'm in the industry), I'll know how to direct my efforts better.

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