A face illumination normalization method includes acquiring a digital image including a face that appears to be illuminated unevenly. The event broker is a web server infrastructure which performs several functions such as receiving the published event on a server, authenticating the publisher with the published event, validating the event with XML schema definition, processing the event based on a set of predefined rules and further delivering the processed event to an authorized event subscriber. Embodiments exploit this characteristic to reduce the amount of pilot signaling needed to enable downlink channel estimation. A latch pin is carried by the latch shuttle. This invention also includes methods for making such fabric by increasing the thickness of a woven or non-woven material by such methods as applying tension during weaving operations, or using unbalanced yarns.