$5 app that justifies your iPhone purchase

Recommended by Wired Gadget Lab, the app called Instapaper saves your webpages into itself for you to peruse at a later time. It also converts them to a highly-readable format, so says WGL. There's a free version that according to WGL "turns the iPhone into a super-convenient mini-reading tablet, great for catching up on the news, reading long-form articles, and more."
The Pro version,

adds a couple new features. It now downloads articles in the background, so any time you have it open, it’s updating the list of stories for you to read. It handles the “graphical version” (with photo) of articles better than the free version. It lets you archive articles that you’ve read more easily. And it adds some minor interface enhancements, such as a reversed mode (light text on a dark background, good for reading at night) and tilt-scrolling.

Read the full article here.