workers are making digital copies. To learn more about Willis Conover, listen at this time Sunday for the program PEOPLE IN AMERICA.

VOA: special.2009.01.30

A half-century ago,for example, producing genetic copies of animals was only a dream of scientists.

VOA: special.2010.03.23

She has sold more than eighty million copies of her popular books for young people.

VOA: special.2009.10.12

Mothers have given copies to their daughters,who saved them for their own daughters.

VOA: special.2009.08.24

For example,it contains seventy-nine copies of the first printed collection of Shakespeare's plays.

VOA: special.2010.01.13

Prices for producers have dropped. And low-priced copies are on the market.

VOA: special.2009.01.19