Internet Explorer's Market Share Slips: The Beginning of the End?

Microsoft may be being all cocky about video codecs in Internet Explorer 9, but the reality is that the browser's share of the market is on the slide. Slowly, since it's just fallen below 60%, but it's still downwards. 

Net Applications, author of the study that reveals this news, says that it's the first time IE has fallen below 60% (since reasonable measures of market share began). The big MS browser's loss is someone else's gain though--and in this case it's the shiny speediness that is...