Hal Varian on how the Web challenges managers | McKinsey & Company

"Back in the early days of the Web, every document had at the bottom, “Copyright 1997. Do not redistribute.” Now every document has at the bottom, “Copyright 2008. Click here to send to your friends.” ...In the old organization, you had to have this whole army of people digesting information to be able to feed it to the decision maker at the top. But that’s not the way it works anymore: the information can be available across the ranks, to everyone in the organization. And what you need to ensure is that people have access to the data they need to make their day-to-day decisions. And this can be done much more easily than it could be done in the past. And it really empowers the knowledge workers to work more effectively...."