The answer is sum because people did that in the old days
Here are three I could think of now.
1. Technological advancements in modern times
2. History of modern technology
3. Uses and convenience of technology today
The word choice and tone are the primary aspects of a written work which can help the reader determine the author's purpose. For example, a satire using caustic words will allow the reader to see that the work is a satire and is aimed at being critical of the subject at hand. On the other hand, a humorous work will have a lighthearted tone in which the author uses funny words to describe a situation or a person.
The composer of "The Odyssey" was a greek poet known as Homer. He composed this book near to the 8th century. :)
