Apart from all the usual reasons that one gives for lesser and lesser blog posts, one of my major ones is that I've begun blogging at office. My division in my company has a portal which includes blogs for almost all employees. Beginning about two months ago, I've written a few occasional pieces - most of which are of internal consumption only (aka company confidential). So my "urge" to write or "think aloud" is finding another outlet :)
Go HCL !!