[ghaff]

In some ways, the 747 was also designed for a different world. The hump housed a first class lounge originally. https://www.pinterest.com/nickverreos/747-upper-deck-flying-...

But when business class came in, it got converted into an upper deck of business class seats in most configurations.

[craz8]

British Airways equipped that section as Economy for many years. It was like flying in a short 737 up there!