1. By 1988, Boeing realized that the only answer was a new clean–sheet design, which became the 777 twinjet.

2. Design work occurred concurrently with the 757 twinjet, leading Boeing to treat both as almost one program to reduce risk and cost.

3. By the early 1990s, the wide-body twinjet had become its manufacturer's annual best-selling aircraft, despite a slight decrease due to economic recession.