Posts about Om Malik as of July 10, 2009 – thedailyparr.com 07/10/2009 Web 2.0 supply side substitutability – blog.openitstrategies.com 07/10/2009 In the 2½ years I’ve been blogging, I’ve thought occasionally about who writes blogs, who reads blogs, what value they provide and (most of all) whether it’s something I should be doing. Among people I know or follow, some occasionally blog with long articles, while some blog with very short referrals to existing articles and little if any marginal commentary.