What agents of transmission have taken the place of nomadic people in the recent centuries?

In recent centuries, globalization and advancements in technology have replaced nomadic people as primary agents of transmission. Modern transportation networks, such as airplanes and shipping routes, facilitate the rapid movement of goods, ideas, and cultures across vast distances. Additionally, digital communication platforms enable instantaneous sharing of information and cultural exchange, further connecting diverse populations. These developments have transformed how knowledge and practices are disseminated globally.