It is known as the "First State" because on December 7, 1787, it became the first to ratify the U.S. Constitution. In 1610 explorer Samuel Argall named the Delaware River and Bay for the governor of Virginia, Thomas West, Lord De La Warr. The state of Delaware takes its name from the river and bay.
The answer to your question would be social media because a lot of people have a social media account that they use. They can also answer lots of questions on there.