After the 1968 Ronan Point tower block partial collapse in London, in which four people died, new British Standard Structural Design Codes for concrete were introduced to prevent it happening again.

BBC: WTC collapse forces skyscraper rethink

Boeing is again using Catia software for much of the structural design of its new 7E7 jet, but it is using Thinkid for the plane's cabin plans because of the software's flexibility in making changes.

FORBES: Easy Designer