Sometimes it’s easy to forget there are thousands of cool apps that extend the built-in features of your iPhone or iPod touch, and photography apps are one category I’ve been slow to adopt. After all, I have a decent built-in camera for snapshots and video in my iPhone 4 already, and if I want to edit the photos I take, I can do it in iPhoto when I import them to my Mac … or in Adobe Photoshop Elements, or Pixelmator. And yet, there are two reasons you need to start exploring camera-focused apps right now.
