9781422274149

time were so large that only major businesses, research universities, and government agencies owned them. In 1969, the US Advanced Research Projects Agency connected computers at four universities, creating the first network. The computers could “talk” to each other, enabling researchers to share data and work together. Essentially, ARPANET was the basis for the modern Internet that people use today. Over time, more computers were connected to ARPANET, and communication exchange via computing progressed throughout the 1970s.

Students practice sending Morse Code messages using a telegraph key at the Marconi training school in New York, 1912.

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Overview of Social Media and Privacy