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 ## Best keyboard layouts
 - Dvorak (there are dozens of us) - https://en.wikipedia.org/wiki/Dvorak_keyboard_layout
 
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+## Computer Science Education Sites
+- Free Code Camp - https://www.freecodecamp.org/
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+
 ## System Architecture
 - Whattsapp Architecture  - https://www.slideshare.net/udayslideshare/whatsapps-architecture
 
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 ## Caching in applications
-- Netflix's perspective on evolution of caching - https://netflixtechblog.com/evolution-of-application-data-caching-from-ram-to-ssd-a33d6fa7a690
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+- Netflix's perspective on evolution of caching - https://netflixtechblog.com/evolution-of-application-data-caching-from-ram-to-ssd-a33d6fa7a690