A Boeing rep explaining showing how much room there is in the economy section.

...and there truly does seem to be a lot of headroom.  The bins are quite large and deep.

Main bogeys

Electric brakes on the main bogeys

Souvenir boarding card

...so strap yourself in and hold on tight!

Flight deck

Representative business class seats.  Note electric windows are dark, despite it being sunny and bright outside

Yours truly in the crew rest above the galley - there are 6 bunks

The larger windows have an electro-chromatic tint mechanism.  Apply a small DC charge to it and the window goes from clear to half-tint...

...to dark.  Transition from fully open to dark takes around 90 seconds.

The entry vestibule

Representative business class seats