Either star some in the list
or un-select "Starred only" in the playback settings
To view in 3D, download the MAProgress file and open it in Google Earth from your downloads area.
If you do not have Google Earth installed on your computer, Download and install Google Earth first.
In Google Earth click on "Fly over!" in the menu on the left to tour through the and watch your friends in 3D.
Locations update automatically every minute.