The purpose of collecting data such as email addresses, telephone numbers, and names in the context of same-day courier services is to enhance communication and streamline the delivery process. By gathering this information, We can provide timely updates to customers regarding their shipments, facilitate quick and efficient coordination between senders and recipients, and ensure that deliveries are made accurately and on time. Additionally, having contact information allows for better customer service, enabling companies to swiftly address any issues or inquiries that may arise during the delivery process.