Inbound marketing-focused businesses have a 61% lower cost per lead, meaning expensive traditional "outbound" marketing methods (like cold-calling, email blasts, advertising, and direct mail) are becoming increasingly less effective. Inbound Marketing: Get Found Using Google, Social Media, and Blogs, by HubSpot co-founders Brian Halligan and Dharmesh Shah is a how-to guide...
http://my.sxsw.com/events/event/863
