Social
media
refers
to
____________________
,
forums
,
____________________
,
wikis
,
and
many
other
online
sites
and
services
.
The
main
idea
behind
social
____________________
is
that
people
around
the
world
can
easily
and
instantly
____________________
information
and
ideas
through
social
interaction
.
However
,
some
people
dislike
social
media
.
These
opponents
believe
that
the
blogs
and
wikis
,
emails
and
text
____________________
,
etc
.
create
information
overload
.
In
other
words
,
there
is
too
much
____________________
to
read
and
____________________
.
There
is
a
constant
fight
for
people's
attention
.
In
the
world
of
today
,
social
media
has
become
an
important
part
of
society
,
mostly
because
of
cheap
____________________
,
cell
phones
that
let
users
____________________
the
Internet
and
send
emails
,
and
a
wide
range
of
other
services
to
share
information
.
Even
with
the
negatives
,
it's
not
likely
to
____________________
.
