开放社交
协议即API，通过开放社交协议实现去中心化的社交网络连接与交互，构建开放互联的社交生态系统。
相关报道
Hashcards is a new open-source spaced repetition system that uses plain text files for organizing and reviewing flashcards. The system allows users to create and manage flashcards through simple text formatting while implementing spaced repetition algorithms to optimize learning retention.