How did new technology promote urban growth around the turn of the century

With the existence ever-evolving and incessant development of technology from the past to the present century. People have been more digital and electronic, the "wireless era". Unlike the technology of the late 1800’s to early 1900’s it’s a tough and took them a colossal step to actually use the existent device/s during this age. With the turn of the 21st century, from trains, cars, airplanes, to telephones, computers, and the most influential technology ever developed yet is the turn of the internet which significantly boosted the urban and cosmopolitan growth. How? In the sense of faster and wireless technology, it promoted urban growth in many aspects - communication, locale and global services, demands, industrialization, business and trade, and even people’s lives through transportation, accessibility and ease of use. In the old days, even letters and courier parcels takes days to be received, months and years to travel and business was limited in the course of trade. It seemingly made all the tedious processes of the early centuries to now at one touch to ripple at a larger scale.