The following infographic by Conductor highlights which channel (among social, organic search, email, and PPC) gets the most visitors, results in the most customers, and gives you the most bang for your click.
The channel that drives the most visitors is organic search; and, visitors from organic search are 2X more likely to be extremely engaged and visits more than five pages when compared to the other channels. For B2Bs, social (14%) and search (14%) are the most effective at lead generation. For e-commerce and B2Cs, organic search (18%) is.
Read more: http://www.marketingprofs.com/chirp/2014/25016/which-marketing-channel-gives-you-the-most-bang-for-your-click-infographic#ixzz31tIuxyyJ