what is poke on facebook?

Some people have wrong
understanding
that poke at Facebook is
symbol of
disturbing.
Following are the correct meanings of Poking at
Facebook. 

1.A “poke” is basically
someone trying to
get your attention It’s one of
the
meaningless features that are
used just to annoy someone. 

2.If you poke someone not in
your network
and they poke back. You can
view their
profile even if your not their
friend! 

3.A poke is when you allow
someone to
see your Facebook profile for 3
days, so they
can know who you are and
hopefully add you as a friend.
.
.
Share it so that, when you
poke your
friend, he know the real meaning .... start poking :D