<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;" />

Adding it allows the site to scale fluidly on small-screen devices and changes the view from this:

http://dl.dropbox.com/u/140/Hacker%20news%20without%20header.png

to this:

http://dl.dropbox.com/u/140/Hacker%20News%20with%20header.png

Thank you