Using the jacket-buttons, you are basically able to snap the module you need, for example the master unit with a camera accessories. Carrying mobile phone, digital camera, and MP3-player is bulky, heavy, and expensive.

The thesis project me-mo is a concept that marries several portable electronic consumer products into a modular system.

The modular design offers among others mobile phone, GPS, and camera to take advantage of each other’s qualities to create new interesting functions.

via SlashPhone