A communication device andor applications capable of facilitating communication through different networks are automatically provisioned based on recognition of network environment including network connectivity and characteristics. In one embodiment, the media content is processed by having each of a group of services process increments of the media content, one increment at a time; and the order in which the services process these increments is orchestrated to process all of the media content in accordance with a defined procedure. The lock is adapted to engage the notebook computer or other personal electronic device screen in the open position, leaving a front surface of the screen viewable. The keys in the predetermined region include tactile features that enable the user to identify and actuate the keys in the predetermined region during a telephone operation with the user directing minimal visual attention to the handheld electronic device. A second pressure is created in the infusion chamber that is lower than the first pressure.