US Patent 7084758 Location-based reminders

A mobile computing device, such as a personal digital assistant (PDA) or smart phone (102), is equipped with a location detector, such as a WLAN transceiver (112) or global positioning system (GPS) receiver (134), and is programmed with a condition detection program (145) by the user to suppress or modify reminder alerts (212) for an event scheduled in the calendar program (141) if a condition or status associated with scheduled event is detected by the condition detection program (145). The condition detection program (145) is further programmed to issue a reminder alert (210) if the condition or status is not detected.