The document discusses how social media analytics can be utilized to assess market reception for brand extensions using case studies of Vick's NyQuil and Dr. Pepper. Findings reveal that NyQuil's extension to ZzzQuil was largely successful with positive consumer sentiment and high purchase intent, whereas Dr. Pepper's BBQ marinade faced mixed reactions and skepticism. Key takeaways emphasize the importance of monitoring consumer discussions to gauge brand associations and potential impacts on brand image.