The document discusses research on a proposed product called Tastestim that would allow users to experience different tastes without consuming calories or ingredients. It does this through electrical and thermal stimulation of the tongue, which can produce sensations of salty, sweet, sour, or bitter tastes. The product is aimed at helping people eat healthier by satisfying cravings without the consequences of consumption. User research identifies key personas as a student needing healthier options and a mechanic wanting to improve his diet for health reasons without sacrificing taste. The branding process is shown, culminating in the name Tastestim to capture taste stimulation.