Disclosed herein are representative embodiments of methods and apparatus for managing and allocating hardware resources during RTL synthesis. In some embodiments, the apparatus may synchronize low-frequency, high-frequency and direct current powers that are applied to an electrode. A content data service maintains a list of event identifiers and a list of participants associated with each event. Based on a reservation, the service provider andor the user’s media playback device may monitor content availability data for one or more sources.