Social software company Expion examined posts related to Thanksgiving and fall in general by seven leading supermarket chains, finding that Publix gave the most thanks when it came to the social network.
The Publix Facebook page had the most likes of any of the seven companies profiled by Expion, and Publix accounted for four of the top five Thanksgiving-related posts in terms of engagement.

Lisa Raphael (left), the social media producer at Katie Couric's daytime talk show Katie, is one of our featured speakers in Mediabistro's upcoming