Can the Work Based Social Networkmen in Lington Have It All?

Can linktin keep its old users while gaining new ones and continuing to avoid the back lash that has hit social networks? Here's a tricky balance, because how do you do that and not put off the older generations? And here's a great quote from james hearses, there is a chance of linton becoming the first social network to be used in the same way by four different generations. That would make lington the tortoise to face book's hair. Isn't that brilliant?