I hope so, this would be a huge leap forward for the web. For low-level performance, Javascript doesn't quite cut it. Although it will of course become faster a

I hope so, this would be a huge leap forward for the web. For low-level performance, Javascript doesn't quite cut it. Although it will of course become faster and faster, I don't think you can approach a low-level language. NaCl will also enable other languages for client-side programming. However... I doubt that Apple will include it in iOS, which might be a big hurdle for adoption...