Skipping a version seems to be all the rage. The next version of Windows is indeed destined to be Windows 10 apparently. Not Windows 9. That would be too logical. This is interesting in the recent light of the next version of PHP, after PHP 5.6, is to be PHP 7. There was a vote and it found in favour of PHP 7 over 6. It's possible some of the same decisions that drove that version skip could contribute to the Microsoft decision. I'm sure they'll be some official announcement about why the version skip happened, but I suspect branching of software versions meant that Version 9 was abandoned in favour of 10. Unusual for a company Microsoft's size though, after all they can call Windows whatever they like, Windows 2014 etc etc. It's interesting as well that while their operating systems are following an increasing numeric range, since Windows 7 at least, most of their other software follows a yearly indicator, Office, SQL Server, SharePoint. Anyway it's time t...