Funded by the US Advanced Research Projects Agency (ARPA), ARPANET was the first digital network that utilized packet switching, a method of data transmission. A revolutionary technology, it ultimately led to the creation of the modern Internet. The network’s first permanent connection was made between computers at the University of California, Los Angeles, and the Stanford Research Institute. By 1983, more than 300 computers were connected. What was the first message sent through ARPANET? Discuss