The improvements between the smartphones were mainly found in the design as each successive «generation» of the Moto G lineup from the G4 onwards started adopting more metal in its external hardware. (xda-developers.com)
The bad news is, this includes spending for more metal detectors and security systems in schools. (reclaimourschools.org)
It's one thing to pull out 400 pounds but I told engineering not to come back to me with proposals to add more metal here and there. (automobilemag.com)