Would be better to review less biased literature e.g. https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=review+of+challenge+prizes&btnG=
Would be better to review less biased literature e.g. https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=review+of+challenge+prizes&btnG=