Infected Acorns notwithstanding, Seth Godin’s Leveraged Effort Curve hits the mark.
Knowledge workers get paid extra when they show insight or daring or do what others can’t. But packaging the knowledge is expensive, time consuming and not particularly enjoyable for most people. As you get better at what you do, it seems as though you spend more and more time on the packaging and less on the doing.
Seth sees blogs allowing us to have "intense conversations" with the people we want to influence. Redeeming the time from "administrivia" as one of his trackbacks puts it.