Will we see experiments around the Meh button?

dashcloud thought this was worth mentioning said
2

Hoping to see some experiments based around the Meh button.
To get you started, here's one that's kind of evil: Have a different Meh button face for a product once it is sold out, in addition to the one when the product first goes up. Since you can only click the Meh button once, it leaves you in an awkward situation...