Determining the "best" tech in 2022 is subjective and depends on specific needs. Advancements in AI, 5G, electric vehicles, and sustainable tech are noteworthy, but the best tech varies for individuals and industries.
I would say ChatGPT easily. We're actually considering using GPT-3 / DaVinci (same underlying model) in our LinkedIn Optimization tool soon to actually auto-generate some of the profile sections :)