If you've purchased a Nokia Lumia 710 Windows Phone from T-Mobile, you've got a free gift to claim. Nokia is offering a free Xpress-On cover in the color of your choice to anyone who has purchase a 710 from a T-Mobile retail/dealer store in the U.S., Puerto Rico or District of Columbia (don't shoot the messenger).
All you need to do is go to nokiacolorcover.com and choose the Submit Your Request option in the top banner. Claiming your cover is a painless four step process and when completed, you should get your cover in 4-6 weeks. You can even check the status of your request through the Color Cover website.
Oh... and the free cover offer won't last forever. You'll need to claim your cover by March 31, 2012.