Computer application software for mobile phones, namely, software for monitoring a dietary and exercise program, namely, for use in tracking caloric intake, exercise programs and predicting weight loss and gain; computer application software for monitoring a dietary and exercise program, namely, for use in tracking caloric intake, exercise programs and predicting weight loss and gain featuring a personal digital assistant (PDA) for estimating and displaying a graphical summary of weight loss and gain, namely, software for monitoring dietary, exercise and other factors influencing weight loss and gain; computer hardware and computer software programs for the integration of text, audio, graphics, still images and moving pictures into an interactive delivery for multimedia applications; computer hardware and peripheral devices; computer hardware and peripheral devices and computer software for data communication and translating and transmitting data sold therewith; computer hardware for communicating audio, video and data between computers via a global computer network, wide-area computer networks, and peer-to-peer computer networks; computer hardware for upload, storage, retrieval, download, transmission and delivery of digital content; computer programs for connecting remotely to computers or computer networks; computer software for creating searchable databases of information and data; handheld computers; handheld personal computers; headsets for use with computers; mobile computers; personal digital assistants (PDA); wireless computer peripherals