If you don't know what I'm talking about, check out the mastermind's site, Chad Darnell.
Pretty much, just take 12 pictures of your day and post them. Then share the link so we can all see what everybody is doing. It's weird. It's fun. It's...cool.
Oh, I forgot. There's a bonus picture to make it a baker's dozen. Take a picture of break. I guess what you do on your break, or a pause, or something. Of course, somebody will just take a picture of a broken vase, but go ahead and feel creative.