Chitika highlighted what it saw as a possible tidal shift in the computing industry based on its web tracking. Windows' share of the web dropped by 10 percent of its relative value in the past six months, down from 78.3 percent in August to 71.4 percent in February. An unusually sharp drop came in January, where it lost 4.2 percent of relative (3.2 percent absolute) share in a matter of weeks.