EDIT: They've changed this offer so that it now requires a shipping fee. To heck with that.
You're suposed to share this free MojoMilk offer either on Facebook or Twitter in order to get the freebie. However, the confirmation message appears immediately after submitting the form, so I canceled out of the popup window.
Now for the important question: what the heck is MojoMilk? Chocolate milk has chocolate, strawberry milk contains strawberries, so I can only assume MojoMilk is packed full of mojo for when you're a little off your game.