Some have even changed computer codes or destroyed documents in order to disrupt the change-overs.
He helped change computers from a geeky hobbyist's obsession to a necessity of modern life at work and home, and in the process he upended not just personal technology but the cellphone and music industries.
It will change personal communications in a more profound way than the arrival of the personal computer changed computing two decades ago.
Turner Broadcasting is obliging employees to change computer passwords as a precaution, The Wrap reported.
This time, he says, "We'll fundamentally change computer architecture".
Don't change computer settings for other users without asking.
Life was changed by computers, TV and video.
With lung cancer it is possible to compare groups of smokers and non-smokers; with climate change computers have to simulate the equivalent of the non-smokers.
And in some cases, they changed their computer systems to do so.
The iPhone has vaulted the mobile-phone industry forward, just as the original Macintosh changed the computer industry in 1984.
