When was the Internet?
w Late 1970s � other networks built, such as Tymnet
and THEORYNET (academic)
w 4/12/79 � Kevin MacKenzie invents the �emoticon�
:-)
w 10/27/80 � first accidental virus shuts down
ARPANET
w 1984 � number of hosts breaks 1000, William
Gibson coins �cyberspace�