Mac web usage saw an uncharacteristic drop in November that may be owed partly to Windows 7, new data from NetApplications shows. Windows 7's first full month of availability saw its share nearly double to 3.98 percent of Internet traffic and contributed to a rare fall in the Mac's share, which fell 0.16 percent across all versions. The data also reveals that many users had skipped Vista entirely, as Windows XP lost 1.45 percent of absolute share in the Windows 7 switchover while Vista only lost 0.23 percent.
