Today’s infographic roundup looks at social media in a variety of different lights: the top people, the impact on democracy, the impact on social change and the history of Twitter (to name a few). The food illness stuff is pretty interesting too.

View more daily infographic compilations here.

SocialBakers looks at the top people in social media:

Mashable looks at the history of Twitter:

The Knight Foundation looks at social media and democracy (Via All Twitter):

Walden University looks at how Americans engage in social change (via Mashable):

TopProspect looks at talent losers and winners:

Brian Solis and JESS3 teamed up on this one about the “Brandsphere,” looking at the landscape for paid, earned, and owned media as well as channels for promoted and shared.

 

LiveScience looks at the dangers of food: