4 ms·
To sum up, WhatsApp stores metadata that's required to run the service, and previous contacts and groups on top of that. The additional information is probably
by ajconway 7y ago
To sum up, WhatsApp stores metadata that's required to run the service, and previous contacts and groups on top of that. The additional information is probably retained in order to fight spam (not an easy task in an end-to-end encrypted setting with more than one billion of users).
Facebook may be evil, but not because of WhatsApp.