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  • Rebecca Hopper thinks this is interesting:

Alan Kay, the inventor of Smalltalk, remarked that in this way the simplest object has the same construction principle as a full computer: it combines data with operations under a formalized interface.[7] So objects have a lot to do with language scalability: the same techniques apply to the construction of small as well as large programs.

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Cover of Programming in Scala, Second Edition

Note

trying to explain why OO + functional = scalability