Um said Microsoft might be selling netbook versions of the Windows OS for as little as half of those run on traditional PCs. He notes that operating margins for Microsoft's client business were lower in the first quarter of 2009. "Any material impact from netbooks on ( business unit) Client's top line results would have a corresponding impact on the segment's overall operating margins" he wrote. Microsoft declined to comment for this story, but didn't dispute that average selling points for Windows on netbooks are lower than on laptop or home PCs. Microsoft is also facing competition from Linux. Full Article at The Daily Source