interns agency Agency Growth AI’s Effect on Junior Roles — Why Your “Cheap Labor” Model Just Died Executive Summary For years, agencies and marketing teams ran on a simple equation: hire young, bill high, burn fast. Juniors filled the decks, wrote the copy, built the reports — cheap labor feeding expensive machines. That model just hit a wall. AI now does 80% of what junior staff were hired By Tobias Dahlberg • 2 min read