The development of my memory, more things I do is that I would take pictures to record events in the past to bring a reminder of past events in the present, that what I've done or where I have been before.
The development of longer remember what I will do. I will take pictures to record the events of the past in the past. To be reminded today that recent events do I have to do. Or the places I've been to before.
The development of my memory to long what I will do. I'll take pictures to record events in the past. The current that the past events to remind what I do. The place that I've been around or before.