They still don't know what to do with it. It was a GoPro before there were GoPros, a dashcam before dashcams. The issue is that scientists said "we can record every minute of your life - now how do we make people want to do that?" rather than finding a problem and proposing a solution. I'm not opposed to giving memory aids to Alzheimer's sufferers but Microsoft's study had an N of 1 and was conducted against a diary. That the study was done ten years ago and didn't really lead to much further research is telling, I think; basically, Microsoft demonstrated that making an Alzheimer's patient review an hour-long event for an hour every two days keeps that event in short term memory for as long as the patient is reviewing the photos.
Yeah, that research went nowhere and was abandoned. Given that cops can wear a bodycam and have it running (or not) when they assault or save people, the 30-second picture doesn't seem to have much use. Imagine a cop wearing a Narrative Clip during an interrogation.