Last week, Walmart printed a heck of a deal in its weekly ad. The retailer listed the 4GB Xbox 360 Kinect bundle for $249, effectively putting it on the same playing field as the recently discounted 160GB PS3. It turns out Walmart didn’t mean to imply to the price drop was permanent by calling it a “rollback.” It was all a mistake.

On Monday (February 25, 2008), EA Sports sent an email to its list subscribers for $5 off any game valued $29.95 or more through the EA online store. They must have been a little fuzzy over at EA from all the Take-Two buyout chatter since someone forgot to paste the coupons code in the email. (Insert your own Homer Simpson-style “Doh!” impression here.)

To make up for the mistake, EA Sports has sent a new email to offer a $10 coupon. No doubt it is an effort to promote…