> For the complete documentation index, see [llms.txt](https://vikram-bajaj.gitbook.io/cs-gy-6313-information-visualization/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vikram-bajaj.gitbook.io/cs-gy-6313-information-visualization/why-use-interaction.md).

# Why Use Interaction?

Not all questions can be answered by looking at a single visualization.\
Interaction helps the user answer a multitude of questions.

Developing interactions for a wide variety of devices with varied screen sizes and functionalities is an active area of research.