I suspect the most successful companies have user bases with a very significant portion of users in their 30s and 40s. If not an actual majority. EDIT: Some st

I suspect the most successful companies have user bases with a very significant portion of users in their 30s and 40s. If not an actual majority. EDIT: Some stats here - http://venturebeat.com/2012/08/22/social-media-demographics-stats-2012/ http://venturebeat.com/2012/08/22/social-media-demographics-... Worth noting that on that chart, HN has the second lowest avg age.