Quil | 11,472 followers on LinkedIn. Making Better, Happier, Healthier Aging Possible | Quil, the joint venture between Independence Health Group (Independence) and Comcast. We create technology that helps people thrive, age on their own terms, and fosters connections with those who support them. Quil Assure is the modern medical alert system designed to support older adults live full and independent lives supported by those who care for them.