How is arpanet used compard to today?

ARPANET, the precursor to the modern internet, was primarily used for research and academic communication among a limited number of institutions. Today, the Internet serves a vastly broader purpose, connecting billions of users globally for diverse activities, including social networking, e-commerce, entertainment, and information sharing. While ARPANET focused on specific protocols and data exchange among researchers, today's Internet encompasses a wide range of technologies and applications, facilitating instantaneous communication and access to a wealth of information.