This service was in effect on the first ATL-DCA flight of the morning on 6/2/15.
The bins overhead row 10 were just about full, which is a disservice to the people who actually had to sit in this row, and would find the bin overhead their seats already full (I sat in row 11 and got on with F/PREM boarding, so I was one of the first to reach stools and ropes and see what was going on).