The number of Windows users surfing the web fell below 90 per cent for the first time, making for Microsoft's biggest market share drop in the past two years, according to new statistics.

As I recently reported, there is an order of magnitude difference between the market share of Linux "out there" in the world, and the market share of LInux on Scienceblogs.com and on this very blog. Subsequently, I was trolled by my very own brother "...

I have always claimed that the widely used Operating System market share statistics from Net applications were not really accurate when it comes to MacOS and Linux market share. In my opinion there were two factors that prevented an accurate Worldwide market share to be produced: Linux browsers potentially ignoring the counter and improper geographical distribution.

NetApplications is out with a couple of new metrics of market share for operating systems and browsers, and the news is good for open source. Topping their findings, Microsoft Windows' market share has dropped below 90 percent for the first time in its measurements. The share erosion is largely attributed to increased interest in the Mac platform, but Linux is cited as on the rise as well.

It has been six weeks since Firefox 3 has been released and if we believe market share numbers provided by an ongoing survey of NetApplications, then it appears that Mozilla has had a successful launch with market share gains, especially at the expense of Microsoft’s Internet Explorer.

Desktop Linux market share had a growth of about 50% last year according to the recent data by NetMarketShare. If we look at the data for year 2010, there was no growth at all. However, in 2011, starting from 0.96% market share in February, desktop Linux market share ended at 1.41%.

The Mozilla Foundation, the non-profit organisation behind the Firefox web browser, has published its first ever Quarterly Analyst Report on the state of the internet and its browser's worldwide market share

The use of Linux as a server operating system in India is growing, with SMEs leading the way. But Windows - specifically Windows Server 2003 - still holds the lion's share of the market.

For the first time in ages, the sale of new PCs with Windows as a percentage of the PC market is declining sharply. The new winner is the Mac, but, while no one does a good job of tracking the still-new, pre-installed Linux desktop market, it's also clear that Linux is finally making impressive inroads into Windows' once unchallenged market share.