Project Ara, the modular smartphone initiative announced by Google last year, is taking shape after the first_Module Developers Kit (MDK) was released today. Among the information is an 81-page document that details the of customization open to developers, and thus the kind of things that we end users can hope to expect from our devices, although the project is still at a very early stage. Interesting nuggets include three different sized ‘endos’ (phone chasis); the potential for multiple batteries, which can be swapped out without turning a handset off; plug-in peripheral devices like a_Pulse Oximeter Module, which measures blood_oxygen saturation,...

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