A method of forming a highly doped layer of AlGaN, is practiced by first removing contaminants from a MBE machine. Points may be awarded to the user based on the number of questions answered correctly, the number of advertisements viewed, the length of time advertisements are viewed, the number of attempts at answering each question before providing the correct answer, or other advertiser-selected criteria. The user can sense the vibrations and readily translate them into the navigation instructions without needing any kind of special decoding equipment or using any special techniques. Such sequence object identifies a sequence space associated with the data to be stored using the data list object. If the actual level of utilization remains below the threshold level for an extended period of time, data may be transferred over the network in progressively larger segments to take advantage of unused bandwidth.