This week's top six infographics

This week's top six infographics:from Posts from the Econsultancy blog by David Moth
Once again we round up six of the best infographics we've seen this week.
The topics include email marketing, B2B content marketing, mobile, social media demographics and a massive look at responsive design.

Email marketing report card (Adestra)

The state of B2B content marketing (Uberflip)

It's a mobile world (Affiliate Window)

Which demographics use social media (Docstoc)

10 basic tips about responsive design (Splio)

Facebook vs. Pinterest (BloomReach)