I can't find how to title the file within the open deck. OK - it appears to pick-up whatever you've typed in the first title box as your deck title.

I see it auto saving, but don't see how to manually save. Being prompted that work will be lost if I navigate away.

Going to My Decks to check out the options.

The images are really gorgeous. I guess they're all open source. I don't see any copyright credits required. That's a big plus if that's the case.

The option to change fonts isn't available in the web version.

Changing themes includes difference fonts.

The notes pane allows one to provide additional detail as needed.

Very easy to use. The Help icon displays a simple overlay that points out where controls are.

The textboxes auto-size to fit your text.
But they are limited to a single line and have a maximum capacity.

This tool would be helpful for people who are trying to break the detailed lecture habit or relay big ideas with visual impact.

If SPECIFIC learning goals or take-aways are expected, this isn't the best tool.