Data privacy involves safeguarding personal information and empowering individuals with control over data collection, storage, and sharing.
It emphasizes the individual's right to be informed about data collection and its intended use.
Option (A) accurately defines this by stressing individual control and consent.
Option (B) discusses data collection for marketing purposes, which is unrelated to privacy protection.
Option (C) describes a situation contrary to privacy, where unrestricted sharing diminishes privacy.
Option (D) pertains to data utilization without consent, thereby contravening privacy principles.
Consequently, option (A) represents the correct answer.