From the article: the company will surprise many with its plans to embrace open source.<p>Microsoft's market capitalisation is 253.15 billion dollars. Redhat's market capitalisation is 3.47 billion dollars. MySQL's market capitalisation is 1 billion dollars. Other open source companies form a long tail and make the size of the open source market quite arguable. Regardless, I would be surprised if Microsoft obtain 2% of revenue from open source in 2008. I'll be more surprised if revenue from open source fully offsets losses from comparable but open source operating systems, databases and productivity applications.