In a new study conducted by Scott Owens out of the University of Mississippi, the Wii Fit was loaned to eight families and the usage and fitness impact was tracked over time -- three months before they got the Wii, and three months after. The verdict? "No significant changes" in family fitness from the Wii. Interestingly, over the period of three months the daily Wii Fit usage declined a staggering 82 percent, from 22 minutes a day for the first half of the time all the way down to an average of four minutes a day for the last six weeks. The biggest winners here were the children, who did display some "significant" increases in the spe