Hubspot provides us with 30 pieces of terrible social media advice. Follow them at your peril.

Want to know why social measurement services like Klout and Kred will never be anything other than inefficient and unsatisfying curiosities on the social media landscape? Read this column from David Brooks.

Which social media network commands the majority of most people’s time? Facebook, of course. Duh.

But: Did you realize that Tumblr commands more time from users in the U.S. than Twitter, LinkedIn and Pinterest combined. Me neither. I bet most people working in social media wouldn’t realize that, either.

Marketing Charts has the numbers. Thanks to Barbara for the heads up on this one.

According to Social Media Today, the best days for posting to Facebook are weekends while Mondays and Tuesdays are the worst. They have some additional tips — well worth reading if you feel that Facebook is an important part of your digital marketing communications program.

We’re six weeks into the new year, but I bet you’re still asking yourself: “Self? What were the biggest wins and fails in social media last year?” Well, there’s an infographic for that.