What must consumers acknowledge when receiving a privacy notice electronically?

Consumers must acknowledge receipt of a privacy notice as part of obtaining a product or service, which ensures that they have been informed about how their personal information will be collected, used, and protected. This acknowledgment is crucial because it signifies their understanding and acceptance of the terms outlined in the privacy notice, making it a legal requirement under various privacy regulations. By linking the acknowledgment to the acquisition of a product or service, organizations fulfill their obligation to inform consumers about their data practices while also documenting that consumers have received the necessary information required by law.

The other options mentioned do not align with the standard requirements for privacy notices. For example, requiring a social security number or requiring a physical signature would not generally be deemed necessary for the acknowledgment of a privacy notice. Moreover, simply responding to the notice with a return email does not fulfill the legal criteria for acknowledging receipt, as it is not a formalized acknowledgement process as required by privacy regulations.