I feel like the 2010s are the first decade in 100 years that doesn't have a recognizable aesthetic or vibe.
Every decade since the Roaring Twenties had its own recognizable culture, visual aesthetic, music and so on. In the 2010s, the Internet allowed us to become cultural omnivores. It's good that everybody had access to whatever niche subculture they enjoy but it also meant that there was no more monoculture that we all shared.
Bring back clear plastic tech
Edit: but make it repairable so it doesn't end up as ewaste immediately
My partner modded her steam deck with a gameboy style translucent purple shell and it's sick. Also used to love those 90's clear phone shells with all the colorful bits inside