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Simplicity is an advantage but sadly complexity sells better (2022)

Pushing back on the cult of complexity.

When other startups adopted trendy NoSQL data stores and struggled, Instagram kept it lean with battle-proven and easy-to-understand PostgreSQL and Redis. It also encourages the “not invented here” mindset where people prefer to build from scratch and shun reusing existing components even though it saves time and effort. (If your idea didn’t get the credit it deserves, take comfort in the fact that breakthroughs such as Kalman Filters, PageRank, SVM, LSTM, Word2Vec, Dropout, etc got rejected too.

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