The astonishingly high proportion of mothers who use social media (and of them a remarkable proportion actually blog) suggests many things.
There seems to be a resonance set up by kids’ engagement in social media that drives their parents further in. Blogger-moms are replacing soccer-moms as a dynamite demographic. We know the stats on what proportion of key purchasing decisions are made by women. Which all suggests that the laggardly manner in which major corporations are catching on to the impact of social media gets more serious by the day.
On the lag: earlier posts.