This document discusses the diffusion of exergaming innovations such as the Xertrainer. It provides an overview of exergaming, noting that it uses active video game experiences to provide fun and sustainable solutions to fight childhood obesity. The document then discusses the history and development of exergaming from its early attempts in the 1980s to its increasing popularity today. Benefits of the Xertrainer are outlined, such as engaging full body exercise and delivering a cardiovascular workout in a game format. Factors that influence the adoption of innovations like the Xertrainer are also examined.