You can easily download the Google Home app from the Google Play Store if you have an Android phone, or from the Apple App Store if you have an iPhone. Just search for ‘Google Home’ and tap install.

Because iPhones are small, they pack many important parts, like the brain (CPU), the graphics chip (GPU), and other helpers, all onto one single chip. This is called a System-on-a-Chip, or SoC. It’s ...