To strengthen user trust, I recommend focusing on transparency, security, control, and usefulness.

• Transparency, control, personalization, and data collection
• Control, usefulness, personalization, and cross-site identifiers
• Security, usefulness, data collection, and cross-site identifiers
• Transparency, security, control, and usefulness

The correct answer is: Transparency, security, control, and usefulness

Explanation: To strengthen user trust, it is crucial to focus on transparency, security, control, and usefulness. Transparency ensures users understand how their data is being used. Security protects their data from breaches. Control allows users to manage their data preferences. Usefulness ensures that the interactions and data exchanges are beneficial to the users. Together, these elements build a solid foundation for trust and long-term user relationships.

Reference article: How to Help Your Clients Earn User Trust