[August]

Heh, be prepared to 'revert to this date' a lot on such a spreadsheet if people use it.

I have a JC spreadsheet that I shared out that gets vandalized frequently. I ended up having to lock down all but a few cells, and even then people just try and mess with it.

If there's a way to just be only able to download and not edit in the cloud, that's your best option.