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Twitter was (originally) also built on RoR. Not to mention GitHub is a rails app.

• hnzix 8y ago
  It's also worth noting that Twitter's feature velocity fell off a cliff when they moved to Scala.
  • fouc 8y ago
    Oh interesting, I hadn't noticed that pattern.
  • sam0x17 8y ago
    I do think though there is a certain size companies like this reach where they go from innovative to being afraid to change anything lest the viral popularity goes away.