<https://www.tinyman.blog/whatsapp-officially-rolls-out-end-to-end-encrypted-backup-on-cloud/#richSnippet>
<http://schema.org/headline>
"扩大隐私防护，WhatsApp 端对端加密备份正式上线 | 小人物科技志"
<https://www.tinyman.blog/whatsapp-officially-rolls-out-end-to-end-encrypted-backup-on-cloud/>