Conventional packet network nodes react to congestion in the packet network by dropping packets in a manner which is perceived by users to be indiscriminate. Also disclosed are devices comprising the colorimetric sensor films and methods of making the films and devices. A microcontroller that is embedded in the integrated circuit is booted up. The geographical location is added to the map being rendered at the first computer and is sent to a second computer. Furthermore, the mobile terminal 300 may directly operate the remote camera platform 100. Upon receiving notification of an impending cleaning operation, the registered applications can release or unreference storage so it can be cleaned of data.