An interaction designer defines the interactive processes of applications and products in response to human behavior.

What does that mean?

Interaction designers make things such as website services, software applications and interactive physical products easier to use by the general public or a specific set of users.

Do interaction designers make the product or service faster?

No, thats what coders do although interaction designers can make the site goal or tasks more quicker to execute by the user (rather than the computer) allowing the user to do more or view more information.

Do interaction designer make things look nicer?

No, thats what visual designers/graphics artists do.

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