The user wants to be able to filter movies in a search list or watchlist based on certain criteria.

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Criteria includes availability on certain streaming services, genre, decade of release, content rating (i.e. whether it is for adults), and popularity.

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Use Case 1: see available filters User interaction: clicking on a button on the top of a movie list that says “filters”

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Use Case 2: hide available filters User interaction: clicking an exit button at the top of filter page

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Use Case 3: see possible filters within a category User interaction: User interaction: clicking on the name of a filter category, which will take you to the filters within that category.

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Use case 4: select a filter User interaction: clicking a checkbox next to a specific filter

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Use case 5: deselect a filter User interaction: clicking an already-selected checkbox next to a specific filter

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Use case 6: go from the list of filters within a category to the list of filter categories User interaction: clicking a back button on the page with the list of filters within a category.

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Use case 7: apply filters User interaction: clicking a button that says “apply filters”

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Use case 8: deselect all filters User interaction: clicking a button that says “clear filters”