General question about history of cruise liners?

what dates are the key milestones for cruise liners when technology such as satellite navigation and computer systems were used onboard. any help would be gratefully appreciated as i am unable to think of correct search terms for google x|||The various navigation equipement was utilised almost as soon as it became available,but different equipment was developed and fitted at differing dates.It is constantly modified and updated as technollogy progresses.|||try googling -key milestones for cruise liners