I like Pine's suggestion.

Audio is much cheaper (still not free for high quality) and easier than video AND 16 bit .WAV is now a free format.

The only consideration is that presentations often involve visual materials. 

On Fri, Jul 17, 2015 at 7:05 PM, Pine W <wiki.pine@gmail.com> wrote:

If we could get just audio recordings plus slides and any written materials, I think that would be almost as good as video in most cases, at far less cost and complexity.


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Victor Grigas
Storyteller and Video Content Producer