In this mobile crazy world we work and live in today, as web application developers one of the hardest things to do is testing. With all the various devices and all the various screen sizes, testing your web application to make sure it looks and works properly in various permutations can be a difficult thing.
Enter Adobe Shadow, an inspection and preview tool. Here is how it works. You link a device (phone, tablet) to your main computer and then as you browse your web site on your main computer, the same web site automatically appears on your linked device(s). Furthermore you can remotely inspect the DOM and CSS from the web browser of the device, make on-the-fly changes and see them take effect in real-time. This is a great way to do testing across different devices and get your web application just right. Check out the quick tutorial video to learn more!