I’m fairly certain this comes from the site dearblankpleaseblank.com. It’s gone viral and tracking down the original is difficult. The above seems to be from the etsy store where you can buy this on stationary. Whew.
All that just to point you to M.E. Summer‘s blog, Sticking to the Story, where she makes me have happy grammar dreams by telling us how to properly use things like serial commas (you MUST–my opinion, not hers) and other goodness.
Also, I’m not at all calling her a grammar slut in any way. Unless she likes that sort of thing.
I’m reading Jack Karouac’s The Big Sur at the moment. Certainly a creative use of punctuation. Or non-use.