41:42Ammon Bartram explains why hiring interviews are noisy: companies define engineering skill differently, and short interview problems only imperfectly predict success on long, complex work. He recommends deciding which skills matter for a company, using consistent evaluation, and refining the process against results. Triplebyte separates its assessment into programming productivity, computer science knowledge, debugging, and system design, while favoring relatively easy problems that produce fewer false negatives. He also discusses candidate preparation, résumé screening, trial employment, interview fairness, and ways to reduce stress and bias.