What unique document might a candidate use instead of, or in addition to, a traditional cover letter?

Answer

A brief, targeted presentation deck—a 'Why Me for This Role' slide deck

For those changing industries, a unique way to present oneself is via a brief, targeted presentation deck titled 'Why Me for This Role,' which shows initiative and visual synthesis skills.

What unique document might a candidate use instead of, or in addition to, a traditional cover letter?
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