What makes a person happy, anyway?

Is it their general demeanor? Or perhaps life circumstances? Or maybe they just got really lucky in life. Whatever the case may be, the CEO of Zappos has been trying to figure it out.

That and more in today’s Social Media Roundup:

Shades of Happiness

Are You Happy At Work? A New Test Tells You the Answer http://t.co/UMxQ6REe via @WSJ #mpi #eventprofs #assnchat

— Jason Hensel (@pimplomat) October 17, 2012

Who’s the happiest person in your office? Well, according to a new study, a lot of factors come into play. Delivering Happiness at Work, a consultancy co-founded by Zappos CEO Tony Hsieh, has had thousands of people take its Happiness At Work survey — and early results show that the key to being a happy worker involves being at a small company, having a supervisory role, working as a caregiver, working in a skilled trade, and not being in your 40s. If you are all of these things, we want your life. (ht @pimplomat)

Big Mac Sustainability

Great tips for creating a culture of sustainability at your next meeting. [And who doesn't love a hot McDonald's fry?] http://t.co/ATr7gFXf

— Aaron Wolowiec (@aaronwolowiec) October 17, 2012

Ideas from Mickey D’s: Trying to improve the sustainability of your next conference? Get some ideas from McDonald’s Julie Larson, who has been working to make the company’s worldwide convention more eco-friendly. Among the things they’ve tried: composting. “I’m really proud that we found a partnership with Waste Management, HAVI Global Solutions, and the McDonald’s operation team,” she says. “More than 80,000 pounds of food was kept out of the landfills. We were a bit giddy at the process.” How have your conferences worked in sustainability as a mission? (ht @aaronwolowiec)

What cool stuff have you seen online today? Let us know in the comments.

(TMG archive photo)