Policy information is distributed to remote network devices by mapping high-level policy information into low-level configuration information and distributing the low-level configuration information to the remote network devices. A sound input is received from the active participant in the conferencing event at a microphone associated with an electronic device. Using the subject system, the individual microstructures can be configured to varying depths to achieve greater data storage capacity for the same surface area of substrate. 0 and a layer containing a polymer compound or inorganic substance having a relative dielectric constant higher than the polymer compound. The fold of the protective cover securely engages a stepped portion of a vehicle wheel. In one embodiment, the present invention provides free preview of digital content for users of mobile devices before a call is connected, and gives the option to transition to the charged premium services within a predetermined time.