2.3</strong> : Consent may also be implied where a user is given notice and a reasonable opportunity to opt-out of his or her personal information being used for mail-outs, the marketing of new services or products, fundraising and the user does not opt-out.</p> <p> <strong>2.4</strong> : Subject to certain exceptions (e.g., the personal information is necessary to provide the service or product, or the withdrawal of consent would frustrate the performance of a legal obligation), users can withhold or withdraw their consent for Specialty Eye to use their personal information in certain ways.