There's an upside of central hubs too: http://www.expatsoftware.com/articles/2008/02/amazon-goes-down-everybody-flips-out.html http://www.expatsoftware.com/art

There's an upside of central hubs too: http://www.expatsoftware.com/articles/2008/02/amazon-goes-down-everybody-flips-out.html http://www.expatsoftware.com/articles/2008/02/amazon-goes-do... When they fail, it's not your problem. Better still, it fixes itself quickly, without you having to get out of bed at 3am.