"If you are a web developer you will love the additional features Big Five brings to you. It is the only application in the App Store that enables your web apps to access the accelerometer data, getting the current geo position, use the built in camera and more."

MRI is a free cross browser tool that lets you test selectors with any web page. Selectors, particularly complex ones can be difficult to get exactly right - MRI lets you experiment with them on any web page (local or online, static or dynamic).

1. have a fluid center with fixed width sidebars, 2. allow the center column to appear first in the source, 3. allow any column to be the tallest, 4. require only a single extra div of markup, and 5. require very simple CSS, with minimal hacks patches.

CSS framework, allowing rapid development of sites with pre-written and tested components. All that's really required to produce this is a set of naming conventions and a flexible base template...

good info about pixels and ems

a simple standards-based slide show system in public beta status, is almost ready to go final

The method, based on positioning colored boxes and testing across a range of browsers, can be used to build a wide range of full-CSS layouts.