Out of the sentences, what are themes and what are other information?

- In a relatively short amount of time, technology has had a big influence on our culture.

-Technology has changed the meaning of words in the English language.People can now send electronic mail, or e-mail, to one another.

-"Mouse" no longer refers to just a rodent.

-Internet was in most American homes by the late 1990s.

-Technological terms are more frequently used today than they have been in years past.