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)