Method for automatically publishing action videos to online social networks

A method for automatically publishing action videos to online social networks comprising:

• at a camera carried by a user:
• recording video frames to a circular buffer of a preset duration;
• in response to receipt of a manual input by the user at a first time, writing a first sequence of video frames from the buffer to a local memory, the first sequence of video frames previously recorded to the buffer over a first duration from a start time to the first time, the first duration a subset of the preset duration;
• in response to receipt of the manual input, writing a second sequence of video frames to a local memory, the second sequence of video frames recorded over a second duration from the first time to a final time;
• processing the first sequence of video frames and the second sequence of video frames into a first video of a first format and of a first length corresponding to a first online social network;
• and
• automatically uploading the first video to the first online social network.