Rename fork to copy or duplicate
The word "fork" is very technical, so it appears odd to non-technical users, which is what it seems slides.com is for as opposed to reveal.js. In some places you already use copy in place of fork. It would be great to use copy everywhere. In particular on the presentation screen where it says "forked from ____" it would be great to either have the option of hiding this information of not using the word fork.

I agree “fork” is a very technical term and, as you pointer out, we started referring to it as “copy” in a few places. I just went ahead and replaced the rest of the places where we said fork. Take a look and let me know if you notice any errors.
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Chase Lee commented
Thanks Hakim! You rock. We'll let you know if we find anywhere that's out of sync.