Chainfire is well known for his development work on the SuperSU app which gives root users admin access to their Android devices. He has a less known project called DSLR Controller. This gives you complete control of your DSLR controller from your Android device. This is great for the budding...
This one has a touch more of a personal interest than others. I try to pack as lightly as possible for these conventions, because Scoliosis and Back Pain are actually common issues for Camera Operators (granted this mostly happens to the more intense outlets that still pack around the huge...