Since Millennials were born from 1981 to 1996. I ask how to divide Millennials into two groups by the things they have in common or experiences. Like this:Like Loading... Post navigation GPT-5 Prompt Hacks Evolving for 2026 AI Agents: Google’s “Gems” Are Game-Changers—But Prompting Still Rules (Before/After Breakdown Inside)Multidimensional array show keys by condition of its own key value