First come the renovated condominiums, the latte bars and the expensive baby strollers. Next, apparently, come the bloggers. One Web site’s survey of the prevalence of blogs in urban neighborhoods found a link between gentrification and the number of people who feel compelled to think out loud about the changes in their backyards. The site, Outside.in, crowned Clinton Hill in Brooklyn as the most blogged-about neighborhood in America. Join discussion...