Originally Posted by merrickdb

I've never officially sat in the 'premium economy' section, but I normally try to book an aisle or window with an empty middle near the front of the aircraft. Fold the table down from the middle seat (it's the center cushion) and reach under the armrests, push a lever, and the armrest pushes out an inch or two, fully converting your seat into one of the 'premium economy' ones, and for free too.