The Gadget can be modified and customized by using modules, which Lenovo calls the "Mods". They connect with magnets, mostly on the back cover of the device. For example, powerful speakers, projector, or enhanced battery, or just the interchangeable panels to change the look of your device. Motorola even released a developer kit and description for developers who want to release their own modules for Moto Z.
Lenovo has finally ceased to torment you, telling you what will happen now in the market is Motorola's devices. Officially it turned out that the line Moto X decided to replace a new one, which got two devices: Moto Z-Moto Z-Force and. Has changed not only the name but also the design of the devices, and the concept in General. Devices are modular, but not as expected, Project Ara or LG G5.