Can software influence your emotions?

By the end of this article I want to convince you that your emotions can be influenced by software. To do that I’d like you to imagine a progress bar. Yes, the humble loading bar or progress-done indicator as it is also known. They have many variations. Some even have fancy animations so they feel like they finish sooner but its essence has been a mainstay of the user interface for 40 years or more. They are so ubiquitous, you can’t escape them.

So what actually is a progress bar for? At first glance, this seems easy to answer. Progress bars are designed to see the progress of a task… or are they?
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