8. A wearable computer device, comprising: a scrolling memory buffer configured to continuously record a conversation, the scrolling memory buffer storing audio data for a predetermined period of time, and discarding the audio data after the predetermined period of time has expired if a user has not issued a voice command to move the audio data to a separate memory for output at a later time; a separate memory storing voice commands, the voice commands for storing audio data surrounding a receipt of a respective voice command in the separate memory, each voice command being customized by the user to blend with natural conversational phrasing and terminology without disrupting the conversation, and each voice command specifying: an amount of audio data stored in the scrolling memory buffer before receipt of the respective voice command to move into the separate memory upon receipt of the respective voice command, the amount of audio data to move being less than all of the audio data stored in the scrolling memory buffer, and an amount of audio data to record in the separate memory after receipt of the respective voice commands, a processor configured to: recognize phrases spoken by the user during the conversation, determine that a recognized phrase spoken by the user during the conversation matches a voice command, and move the amount of audio data specified by the voice command from the scrolling memory to the separate memory, and record the amount of audio data specified by the voice command in the separate memory, based on determining that the recognized phrase spoken by the user during the conversation matches the voice command; and an earpiece configured to, at the later time, output the audio data surrounding the receipt of the voice command.
12. The device of claim 8 , further comprising a camera configured to capture a camera image when determining that the recognized phrase spoken by the user during the conversation matches the accessed voice command.