$1.$ Why is FB stickier than Linkedin $($why do people spend more time on FB$)?4$ Points

$2.$ Do you think Linkedin should remain a closed network $($explain$)?$ Name some of the advantages and disadvantages of a closed network. $4$ Points

$3.$ What Strengths of social networks linkedin can adopt? $4$ Points

$4.$ IS linked$-$in$$s definition of who is professional a bit too restrictive? $4$ Points

$5.$ Why did Microsoft buy Linkedin $($This information is not in the CASE. So research this$)?4$ Points.