17. The non-transitory computer-readable storage medium of claim 16 , wherein identifying the voice corresponding to the entity is performed using a voiceprint of the entity stored in association with the electronic device.
16. A non-transitory computer-readable storage device comprising computer-readable instructions, which when executed by one or more processors of an electronic device, causes the one or more processors to: receive input representing user instruction to provide a reminder in the future, the instruction identifying an entity; and after receiving the input: detect, by a microphone of the electronic device, an audio input; identify, in the detected audio input, a voice corresponding to the entity; and in response to identifying the voice, provide the reminder.