This document summarizes information about Potbelly Sandwich Shop and its competitors. It provides background on Potbelly's origins and expansion. Annual sales figures are estimated at $245 million based on average sales per store of $1.1 million. The document also analyzes social media presence and sentiment toward Potbelly and competitors like Jimmy John's and Quiznos. It concludes with recommendations for Potbelly to improve social media engagement and differentiate itself from competitors.