Jake has some good points and there of course is interesting discussion going on in the commentary in his post about 'expertise'. There are those that talk and those that do.

I think some of it has to do with the work/blogging balance that many professionals have to face. When you're not busy with 'work' you have plenty of time to blog and participate in conversations. When work gets busy, the extra stuff tends to drop off. But then again that's not following our own advice, we always tell clients to make time for blogging, so we should as well :-)

I think it was last year that Tom Biro said something to like, "the reason I'm not blogging is because I"m busy doing actual client work." I chuckled at that statement and now with the full-time gig I understand what he means.

Should people follow the example one leads on a blog, or the example they provide via the work they do with their clients?