In the new design, our team changed
the old method of entering keywords
to search into showing users categorized options that they can click to
narrow down the search results. It makes searching videos more convenient and users can get the results without entering an accurate description. In user's
mental model, the new design makes them just need to type in one keyword, and
YouTube will automatically provide various categories for them to choose. In their understanding, clicking icons are
easier to use than entering keyword. However, the implementation model of the
programmers requires programmers to build up the wireframe and write codes that
can match related terms for a keyword.
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