I think his/her point was that LinkedIn might have those features, but customers don't _have_ to use them. So you can pay more for better targeting, which is p

I think his/her point was that LinkedIn might have those features, but customers don't _have_ to use them. So you can pay more for better targeting, which is probably an intelligent way to get the users you want, but there could be companies that just ignore logic and want the cheapest way to blast out a message.