Also (for less-technical audiences), I don't exactly dwell on the de-duplication. It's just "Git makes snapshots and puts them into .git in some efficient way.

Also (for less-technical audiences), I don't exactly dwell on the de-duplication. It's just "Git makes snapshots and puts them into .git in some efficient way. Don't worry about it. Or, if you want the details, read the Git SCM book."