> I quite like being able to make several changes within the same minute because I can tell that they were related
> changes.  With second granularity I have no chance.

Just truncate the timeStamps to whatever granularity you want to group by..

     DateAndTime now asDuration truncateTo: 1 minute

> Do you have a programmatic reason for wanting second granularity?

I thought his case sounds compelling.  Is there any harm to have finer
granularity?

> What to others think? Are there workflow implications to the granularity of time stamps?