Question

select the correct answer. which of the following technological innovations happened during the 1970s? a. text messages were introduced. b. the world wide web was created. c. cell phone use became widespread. d. personal computers were invented.

Explanation:

Text - messaging technology emerged in the 1990s. The World - Wide Web was created in 1989. Personal computers were invented earlier than the 1970s. Cell phone use became widespread in the 1990s and later. In the 1970s, text messages were introduced.

Answer:

A. Text messages were introduced