what are some ways that computers have changed our lives?

[Charles]

Trade -- people are able to buy and sell things easier
Marketing --- Companies are able to market to millions of people online
Medicine -- Doctors are able to keep medical records online and this makes it easier for other doctors to access
Research -- Scientists are able to communicate and share data easier
Banking - accessing , Transferring and using money online is one major evolution in banking
Communication and social networks -- facebook, skype, twitter has made it easier to communicate
Education-- online classes, live teaching broadcasts, research,
navigation accessibility -- google maps, map quest
..Just a few