.com is one of the first TLDs to be used on the Internet's Domain Name System and the most valuable & widely recognizable. "Dot com" is literally the gold standard. It is the most sought after domain extension in the world. Nearly every major business in the world operates on the .com extension.
From big companies with global footprints to college students beginning new careers, millions around the globe have effectively used their.com domain names to advertise a product, provide a service, highlight a talent and much more.