What kind of things should everyone memorize using spaced repetition? Most people seem to use it to learn languages and technical subjects. I'm looking for thi

What kind of things should everyone memorize using spaced repetition? Most people seem to use it to learn languages and technical subjects. I'm looking for things that most people would find useful in their daily lives: - Social security number - Credit card number - Passport number - Multiplication tables - Unit conversion tables - Emergency phone numbers - Recovery codes and passwords - Basic recipes and cocktails - First aid techniques - Survival techniques - Phonetic alphabet - NATO phonetic alphabet - Basic words in foreign languages