Last week, on the busiest travel day of the year, Zappos brought a delightful surprise to weary airplane passengers on what's come to be known as the worst travel day of the year, Thanksgiving eve. At Houston's George Bush Intercontinental Airport, American Airlines travelers going to fetch their suitcases found a baggage claim like no other. Zappos, working with its agency Mullen Boston, transformed the moving carousel into a Wheel of Fortune-style game--in which everyone came out a winner. Here's a recap of the day's events. Read last week's full story on Zappos' Thanksgiving surprise here.