usability - What is the significance of the Sign Up button on

So Facebook updated their login page. I couldn't help but wonder the reason behind having a Sign Up button in the header when there already is a Sign Up form in the body section. What aspect of UX

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Fintech UI Design: Guide to Improve Mobile Banking Usability • UXDA

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A guide to designing successful Login experiences, by Shubhangi Salinkar

What is Ease of Use? — updated 2023

Why is this button not performing?, by H Locke

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