I'm putting together a list of time/date stamps of a person's activity. I'm looking for fun ways to visualise them so it's easy to pick patterns and interesting exceptions out.
I've already graphed them by hour, day and hour vs day in a grid. I'll stick by month and week in to

For raw data, you can export them in a iCal feed so you can import them into calendar software.
Can you think of any other neat visualizations? Thanks.