Consider the following statements regarding Section 79 (Intermediaries) of the IT Act, 2000: Statement 1: Intermediaries are exempt from liability for content transmitted through their platforms. Statement 2: Intermediaries must implement due diligence to monitor unlawful content. Statement 3: An intermediary loses exemption if they fail to remove unlawful content after notice. Statement 4: Intermediaries include internet service providers, hosting providers, and social media platforms. Which statements are correct?