Cisco does too and theres another hardware virtualization layer below the normal ones ( so for example you can have many virtual nics per actual nic, etc)
Maybe throw an LLM in a jail and have it constantly contact their chatbot trying different iterations of the above - you might be able to find an even more efficient way to do it.
This is one thing Waze I think seems to do better than the competition. And they have a ton of different voices.
They also clearly show which voices can do street names (which is hugely helpful). For some reason the Australian and British accented voices feel more polite than the Americans
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