“Things Done Changed” Refers To How The Street Game Has Evolved Along With Biggie’s Own Game. He Compares The Fashion And Lifestyle Revolution Through The Decades And The Differences Between Being A Kid And Becoming A Man. He Discusses How The Streets Have Got Harder And More Dangerous While He Explains How Facing All That Has Helped Him To Be Bigger Than It All. From A Socio-Political Standpoint This Song Could Be Interpreted As How Crack Cocaine Turned American Inner Cities Into War Zones Into The Mid-Late 80s To Early 90s.