Signing up for loyalty programs and newsletters can help access freebies and discounts from retailers on your birthday.Various retailers offer free treats on birthdays with certain conditions, such as Greggs providing a free treat through their app.Beauty brands like Space NK and Rituals offer free gifts for birthdays upon joining their loyalty programs.Hotel Chocolat and Lindt provide discounts or free chocolates on birthdays through their membership programs.Restaurants like Burger King and Zizzi offer free meals or discounts on birthdays upon joining their rewards programs.Fashion retailers like H&M and Nike provide discounts on birthdays through their membership programs.Signing up for these programs may lead to data collection and potential privacy risks.Experts recommend using caution, creating separate email addresses for sign-ups, and being aware of terms and conditions.Taking steps like strong passwords, reading terms, and controlling app permissions can help protect personal information.Uninstalling unnecessary apps is advised to prevent ongoing data collection without consent.