...Header enrichment is not Vodafone’s default operation, and we do not routinely share information with the websites our customers visit. We use header enrichment for a limited number of Vodafone and trusted third-party services where it is necessary for them to work. For example, if a customer visits a site or app store that offers a “charge to bill” service and where there is a direct billing relationship between the site/app store owner and Vodafone, the customer requires an enriched header containing an anonymised customer reference to allow the goods to be charged to their phone bill. The enriched header does not allow third parties to access personal information, create profiles or track internet behaviour...