SnapShot! v3.0 added an additional user-interface element called the Processing Log. Since many of the data extraction and reporting processes are long-running, this helps you see exactly what process is occurring. Here is a sample:
You know when SnapShot! is completely finished when you see the following line: SnapShot! complete.
Also, this information is written to the reports folder in a file called: ProcessingLog.txt.