A data processing device is described having a first receive data input unit for inputting a first receive data stream into the data processing device, at least one second receive data input unit for inputting at least one second receive data stream and a clock recovery unit for recovering a clock signal from the first receive data stream andor the at least one second receive data stream. A phase modulator device produces a nonmechanical change in the refractive index of each layer of the stack by, e. When transmitting, the claimed invention acts as a divide-by-four counter and divides the 4X clock into a 1X clock to be used by control logic. Selection of the virtual objects in the virtual environment by the user is monitored. Routing is determined through collection of Automated Call Distribution real-time performance based data and subjective non-ACD data, normalization and weighting of the ACD and non-ACD data through application of certain algorithms resulting in a derived priority score for each call center, and selection of a call center based upon the highest priority score. The skid-type landing gear is retractable.