The Moto Z and Z Force are Motorola's new modular flagships
 

So long Moto X, hello Moto Z. For its next round of Android flagships, Motorola is going for a new brand, an ultra-thin design and support for "Mods" that expand their capabilities. And yes, the Moto Z is seriously thin at just 5.19 millimeters milli...

https://www.engadget.com/2016/06/09/...-z-force-mods/