This document discusses the convergence of media industries and technologies. It uses mobile phones as a case study to show how boundaries between different media are breaking down. Mobile phones have evolved dramatically from their early versions in the 1980s to become multifunctional devices today due to improvements in battery and microchip technology. The document suggests that mobile phones will continue to influence how people conduct their lives and reach wider audiences, and that significant changes to mobile phone technology can be expected in the next 20 years.