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That's like saying because the Pyramids were built in stone, we should build all our skyscrapers in stone. I bet that if Facebook, Wordpress or Digg were built in Ruby on Rails or some other modern language, they would be exponentially faster and easier to develop and maintain.

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Most of the time, performance is more a factor of system architecture and choice of algorithms/data structures - and less about the language you're using.

Unless you're doing very CPU intensive computations where every millisecond counts, the difference between most languages won't be that great in the big picture.

The quote was "they would be exponentially faster and easier to develop and maintain".

> I bet that if Facebook, Wordpress or Digg were built in Ruby on Rails or some other modern language, they would be exponentially faster

I'll take that bet.

They'd probably be linearly faster.

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