Vista Breaks Through 30% U.S. Market Share

New York and Dublin, Monday, March 23, 2009: For the first time last week Windows Vista consistently broke 30% share of the operating system market in the United States according to research by StatCounter which provides free website traffic statistics.

(See: http://gs.statcounter.com/#os-US-weekly-200903-200912).

"Based on daily data Windows Vista has only topped 30% a few times before and only for a maximum of three days running. This is the first time it has broken through 30% on a weekly basis suggesting that it is gaining some consistent traction in the US," commented Aodhan Cullen, CEO and founder, StatCounter.

However, he said that the data suggested that there was still resistance to Vista in the business market. "The data illustrates clearly that Vista peaks at the weekends while XP peaks during week days."

(See: http://gs.statcounter.com/#os-US-daily-20090221-20090322).

Cullen added that Mac OS X is gaining market share. Its share of the operating system market has grown 25% from 6.6% in January (week three) to 8.3% last week. Windows XP still leads the market with 56.6% last week down from 70% in January.

StatCounter Global Stats analysis is based on four billion pageloads per month. StatCounter is one of the largest website traffic monitoring companies in the world with over two million members globally. Over 40% are located in the US with 25% in Europe.

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About StatCounter

StatCounter, a free online visitor stats tool, was founded in 1999. It offers its members the chance to grow and improve their online businesses by allowing them to monitor the number of hits to their website; the geographical location of visitors; the various pages a visitor views; keywords used to find the site plus other features.

StatCounter currently has over two million members and tracks in excess of ten billion pageloads per month over its network of three million websites. For information on this real-time, user-friendly, and free visitor stats tool, please visit www.statcounter.com