How much eth should I acquire

Is ETH really going to change the world or no?

Probably.

change the world is a bit much

eth will be used on the backend to improve some services
there's a potential for eth to allow new services and business models to be created

youtube.com/watch?v=C1l0rcj-Fok
could be interesting for some pay as you go stuff like renting a car

You'll be driving a VR lambo

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