Original sentence: The General Social Survey is a collection of data on demographic characteristics and attitudes of residents of the United States, gathered at regular intervals through a comprehensive public opinion poll beginning in 1985, and freely made available to interested parties over the Internet.The date is generally available in Microsoft Excel files and also in a format designed for a statistical number-crunching program called SPSS
Edited sentence: The General Social Survey is a useful and interesting collection of data on demographic characteristics and attitudes of residents of the United States, gathered at regular intervals beginning in 1985, and freely made available to interested parties over the internet.The date is generally available in Microsoft Excel files and also in a format designed for a statistical number-crunching program called  SPSS