EDIT: Wow. That died fast.
You can get up to five free Seventh Generation dish soap samples on Facebook – one for you and four for your friends. It'd be nice if Seventh Generation would just send all five samples to you. No, not so you could keep them all, but so you could have your friends come over to pick them up in person. I'd get them in the door, show them the freebie, and then say they'd only get it if they first cleaned my dishes.