MediaWeek reports on a new study by The Nielsen Company saying Americans play enough video games that they collectively would constitute the fifth-largest TV network; outdrawing the CW (theoretically a full network itself), and apparently closing in on NBC. Word is: "According to the report (the full version of which is available on nielsenpreview.com), though it’s possible that given the continued growth in popularity of video games may push that number higher in the coming years, the TV business doesn’t necessarily need to feel threatened. Nielsen (which like Mediaweek, is owned by The Nielsen Company) found that since 1999 console usage has grown steadily while TV usage has remained steady, even growing slightly." So which system logged the most playing time? Nintendo's: "Overall, the Wii now accounts for the highest percentage of usage minutes for adults, per the report. And not necessarily young adults; nearly of third (32 percent) those usage minutes were consumed by women 35 and older."