Andy Rubin's phone cost $700; the WSJ 1 model cost $70 and helps explain why the smartphone market is so tough. Take a journey to see how, with the help of Shenzhen's ready to go supply chain ...

but haven’t plugged a phone in to it in over 3 years. i keep it around since i use dsl, but now that i’ve seen this neat project, i think i’m going to make a batphone. this how-to has pretty ...

and pressing into one side of the phone would pop it free. It was cool, but a little clumsy to use. [Scott] liked the basic concept, but shows us how he iterated upon it to make it even nicer.