On a regular basis I am asked market share questions. This is mostly in relation to software usage and is used to make application development decisions. Two of the best (or most commonly quoted) usage statistics sites are w3schools and Google’s zeitgeist. Either source has their strengths and weaknesses; but combined they make for a very useful informational tool.
While I am on the topic of market share IDC has predicted that Linux has moved into the number 2 slot on the desktop OS market. Today the Mac, tomorrow the world…