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IV LEVEL UNIT 9 TECHNOLOGY EVERYWHERE Lesson 2
Author :
Martha Uribe
1.
WEBCAM
Cambridge
at
webcam
the
University
invention
of
1991
began
the
in
2.
Employee wasting time
end
the
to
put
their
trips
to
way
up
an
stairs
down
useless
and
a
coworkers’
3.
Observing coffee pot
pot
uploaded
three
researchers’
images
the
the
It
per
minute
watched
network
and
coffee
to.
4.
Coffee ready
empty
full
was
the
pot
network
Everyone
on
easily
or
the
if
to
see.
5.
Linked
and
connected
the
the
the
The
camera
a
on
scientists
website
put
internet
video
to.
6.
spread out
to
discuss
reporters
News
popular
the
began
website.
7.
No color and slow.
image
white
per
black
The
and
video,
showed
it
and
in
one
second
was.
8.
Webcam today
Nowadays
communication
sensing,
Facial-
recognition
motion,
video
input.