Systems and methods for content creation, selection, organization and distribution are described. The bad breath detection device may be embodied in various forms including a tube where the user blows into the tube for detection, a strip where an end of the strip is placed in the user’s mouth or a disc where the user places the disc into their mouth for detection. A chamber extends from the evaporator section to the condenser section inside the body and contains a working fluid. Third, the metal dam can additionally serve as a heat-dissipation structure to help the heat dissipation from the flip chip. Thus, a user may open and close the stopper using a single hand operation without the need to remove the lid from the drinking vessel.