edit: for lesser known, I would say: - Whitney Johnson's blog on disrupting yourself: http://whitneyjohnson.com http://whitneyjohnson.com - Occam's Razor on da

edit: for lesser known, I would say: - Whitney Johnson's blog on disrupting yourself: http://whitneyjohnson.com http://whitneyjohnson.com - Occam's Razor on data driven marketing: http://www.kaushik.net/avinash/ http://www.kaushik.net/avinash/ - Copyblogger (probably in the well known bucket but still really good): http://www.copyblogger.com/blog/ http://www.copyblogger.com/blog/