Project Ara: Google's phone that comes in bits

Google plans to pilot a modular phone, on which components can be swapped, this year.

It says tests will take place in Puerto Rico, where devices will be distributed from "food-truck-style stores".

BBC technology reporter Dave Lee takes a brief look at the concept behind the device, codenamed Project Ara.

Read more: Google to pilot modular phone in Puerto Rico

Follow Dave Lee on Twitter @DaveLeeBBC