Segments are subsets of your Analytics data. Which of the following statements are NOT true of Analytics segments?

Segments are subsets of your Analytics data. Which of the following statements are NOT true of Analytics segments?
§  Segments are filters that permanently change your data.
§  Segments let you isolate and analyze your data .
§  You can use segments to build custom Remarketing lists.

§  Segments represent either subsets of sessions or subsets of users.