Apple iPhone (1st generation)

Steve Jobs framed it as three products in one — widescreen iPod, phone, and internet communicator. Multi-touch, a real mobile browser, and later the App Store collapsed cameras, music players, GPS, and PCs into a slab people already carried.

Highest combined cultural, economic, and interface impact of any consumer product in the 21st century.

3+ billion iPhones across the line by mid-2020s