A data set provided by Net Application's Market Share shows that Windows is losing ground to Mac OS X and Linux at an accelerating rate. Declining from a 90.73% market share to just 88.26%, Windows has given ground to Mac OS X which has moved from 8.03% to 9.93%, and Linux (all flavors) has moved from 0.76% to 0.83%. The data provided by Net applications results from information gathered from 160 million monthly visitors to its hosted websites. The data set is not conclusive, but is a very high representative sampling due to the large number of unique users.
In 2008, the top 15 operating system's usage breaks out like this: Windows 88.26%, Mac OS X 9.93%, Linux 0.83%, iPhone 0.48%, Playstation 0.04%, Nintendo Wii 0.01%, FreeBSD 0.01%, Sun OS 0.01%, with AIX, HP-UX, SCP, SCO, OpenBSD, OpenVMS and NetBSD rounding out the list (though no percentages were given below two decimal places).
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