Wireless devices and systems are configured to display the number of voice mails, e-mails, and Internet information alerts that are received during a selected time interval. This is accomplished through broadband filtering or by resonant filtering. The projection display system further comprises a screen 5. The images in the secondary display constitute a history of the predetermined states that have been presented in the variable display during the principal game. Either way, a CACS selects an MCU hosting or that will host the audio conference. A plurality of bit lines couple the columns such that alternate bit lines of the plurality of bit lines are adapted to operate as either source lines or bit lines in response to bit line selection and biasing.