First-Party Data
First-party data is information you collect directly from your own customers — through your website, email list, bookings, or purchases. It is valuable because it comes from your own relationship with the customer and is usually more relevant and reliable than rented audience data. As third-party cookies are phased out, businesses that build strong first-party data practices have a major advantage.
Real-world example
A gym collects members' email addresses and class preferences at sign-up. They use this first-party data to send personalised class recommendations — without relying on Facebook or Google ads to reach them.
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