Please don't use tinyurl or other URL shorteners. Pleople want to see the actual the link, and the posting software can handle long URLs nicely anyway.
Though I normally would agree with you, Tinyurl was fundamental to the point of this person's post. So much so that even before clicking the random Tinyurl I thought to myself, "Nobody would tinyurl something in this context, it must link back to Y-Com."
http://tinyurl.com/yb74jsr
Or maybe both of these deals have other less tangible benefits to the people who end up winning.