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The Five Lions

of Memory Hacking
Ebbinghaus&

Leitner&
Pimsleur&
Wozniak&
Fogg.
Hermann
Ebbinghaus
!
1850-1905
The Original Memory Hacker.
The Inventor of the
Forgetting Curve
Retention
Time (Days)
Learn
Review
Review
Review
Which gave rise to 

Spaced Repetition.
Sebastian Leitner
!
1919-1989
Father of the Modern Flash Card.
Developed the Leitner System
Set the pattern to optimize

Practice Learning
Paul Pimsleur
!
1927-1976
Memory’s Pace Setter.
Developed the
Pimsleur
language
learning
system.
Scheduled reviews on an

Optimal Timeline
5 days, 

25 days, 

4 months, 

2 years.
5 seconds,
25 seconds,
2 minutes,
10 m...
Piotr Wozniak
Memory’s Programmer.
Developed the
SuperMemo application.
Formalized Algorithms
for Machine-aided
memorization.
dOF=dOFmax*a/(thalf+a)
dOFmax=(OF-1)*(OI+thalf-1)/(OI-1)
B.J. Fogg
The Behaviorist.
Established
the Trigger of
Behavior.
Set the pattern to
motivate continued
good habits.
Join our
Kickstarter!
!
http://bit.ly/kanjikick
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The Lions of Memory Hacking - Kanjilicious

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A quick overview of the 5 most important thinkers behind Kanjilicious, a mobile game for learning Japanese. Kanjilicious is currently live on Kickstarter: http://bit.ly/kanjikick

Published in: Technology, Education
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The Lions of Memory Hacking - Kanjilicious

  1. 1. The Five Lions
 of Memory Hacking
  2. 2. Ebbinghaus&
 Leitner& Pimsleur& Wozniak& Fogg.
  3. 3. Hermann Ebbinghaus ! 1850-1905 The Original Memory Hacker.
  4. 4. The Inventor of the Forgetting Curve Retention Time (Days) Learn Review Review Review
  5. 5. Which gave rise to 
 Spaced Repetition.
  6. 6. Sebastian Leitner ! 1919-1989 Father of the Modern Flash Card.
  7. 7. Developed the Leitner System
  8. 8. Set the pattern to optimize
 Practice Learning
  9. 9. Paul Pimsleur ! 1927-1976 Memory’s Pace Setter.
  10. 10. Developed the Pimsleur language learning system.
  11. 11. Scheduled reviews on an
 Optimal Timeline 5 days, 
 25 days, 
 4 months, 
 2 years. 5 seconds, 25 seconds, 2 minutes, 10 minutes, 1 hour, 5 hours, 1 day.
  12. 12. Piotr Wozniak Memory’s Programmer.
  13. 13. Developed the SuperMemo application.
  14. 14. Formalized Algorithms for Machine-aided memorization. dOF=dOFmax*a/(thalf+a) dOFmax=(OF-1)*(OI+thalf-1)/(OI-1)
  15. 15. B.J. Fogg The Behaviorist.
  16. 16. Established the Trigger of Behavior.
  17. 17. Set the pattern to motivate continued good habits.
  18. 18. Join our Kickstarter! ! http://bit.ly/kanjikick

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