Facebook
is
a
social
____________________
that
connects
people
from
all
over
the
world
.
It
was
created
in
2004
by
Mark
Zuckerberg
from
Harvard
University
.
First
he
only
wanted
to
____________________
it
for
the
students
of
his
university
but
then
it
started
to
____________________
to
other
universities
too
.
Any
student
could
start
using
Facebook
if
he
had
a
____________________
e
-
mail
address
.
Today
,
anybody
over
13
can
____________________
up
for
an
account
.
At
first
Facebook
____________________
against
other
sites
that
were
already
online
.
But
by
2009
Facebook
was
the
most
____________________
used
site
in
its
field
.
The
most
important
____________________
on
Facebook
is
the
ability
to
____________________
friends
.
If
you
accept
a
person
as
a
friend
you
will
be
able
to
see
his
____________________
page
.
You
can
take
a
look
at
photos
or
videos
,
or
simply
see
what
your
friend
has
written
.
You
can
also
____________________
on
his
status
and
chat
with
him
.
It
is
easy
to
get
friends
.
Just
put
their
name
into
the
____________________
bar
and
if
they
have
a
Facebook
____________________
they
will
show
up
in
a
list
.
You
can
then
send
them
an
____________________
.