Digital communication allows us to send data like text messages and emails from one point to multiple receivers. It is used for general purposes like planning events with friends through messages and emails rather than in person since it has become more convenient. Without digital communication, people would have a harder time coordinating and would rely more on mail and in-person communication, which has been replaced by the ease of digital options. The document argues that digital communication has become necessary for daily life and business and will continue evolving as an integral part of modern communication.