For a limited time, you can send a friend two Yogi Tea sample packs for free. A lot of people are teaming up with a buddy and sending the packs to eachother so that they both get it for free. To sign up, go here and like their Facebook page to get started. Once you do this, choose a friend to send an e-card and samples to.
Again, if you have your friend complete the form as well, you can get the free sample when they send it back to you.