Once again we round up six of the best infographics we’ve seen this week.

The topics include how brands use Twitter, local search, internet security, the biggest moments in social media in 2012, and the state of viewable impressions.

70% of questions are being ignored by brands on Twitter (Socialbakers)

Why local search is the next frontier in marketing (Milo)

How confident are your customers? (McAfee)

Biggest moments in social media in 2012 (MBA In Marketing)

The state of viewable impressions (OnScroll)

The post-PC revolution (Nowsourcing/Moovweb)