Welcome to the 55th edition of The Three Things, the weekly update of three links, podcasts, videos, or books you can’t miss. We’ve been doing this for over a year now, and have a new weekly contributor to introduce you to.

Welcome Joe Cardillo, a smarty-pants friend of Spin Sucks who works for Visual.ly in project & business development. So, this week, we bring you three things from Joe Cardillo, Howie Goldfarb (Blue Star Strategic Marketing), and yours truly.

For those of you new to this series, The Three Things arrives in your inbox on Sunday mornings (unless you don’t subscribe, but that can easily be fixed if you hurry over and enter your email address or add to your RSS feed) so you have some extra time to spend perusing the obscure content we’ve curated for you (and one another) before your week begins and deadlines, meetings, and work takes over.

Today, we explore the brain’s process for decision making, who the rich people are, and why they aren’t on social media (marketers, take note!), and we look at the United States’ largest mass grave, where unclaimed bodies – including infants – are buried in unmarked plots.  (more…)