The implications of using big data in predictive analytics revolve around enhanced decision-making and forecasting capabilities. By analyzing vast amounts of data, organizations can identify trends, patterns, and potential outcomes, leading to more informed strategic actions. However, the reliance on big data also raises concerns regarding privacy, data security, and the potential for biased interpretations. Thus, while big data can drive innovative advancements and efficiencies, careful consideration of ethical implications is essential to maintain public trust.