"Facebook-owned messaging giant WhatsApp has announced a big change to its privacy policy which, once a user accepts its new T&Cs, will see it start to share some user data with its parent company - including for ad-targeting purposes on the latter service."
"Just one day after WhatsApp revealed a sea-change in its attitude to user data, by detailing plans to share the mobile numbers and last seen status of its users with parent company Facebook for ad-targeting and marketing purposes, the UK's data protection watchdog has fired a warning shot across Zuckerberg's bows by announcing it intends to investigate the arrangement"