The mobile browser performance is still much lower than on the desktop, so you don't want to render too large a DOM at once.
Loading a new page over the network can easily take 10s, if you need to reactivate the 3G connection from a low-power state. Of course you can use a single-page-app approach to help that bit.
Scrolling in one direction is one of the easiest (and most fun) interactions you can do on a touch screen - clicking is much harder.
The mobile browser performance is still much lower than on the desktop, so you don't want to render too large a DOM at once.
Loading a new page over the network can easily take 10s, if you need to reactivate the 3G connection from a low-power state. Of course you can use a single-page-app approach to help that bit.
Scrolling in one direction is one of the easiest (and most fun) interactions you can do on a touch screen - clicking is much harder.