Ask HN: what is a business with no revenue stream call?

It is still a business, it just has no profit's to submit to the country it resides in's Company House.

Remember it still has operating costs, asset's and liabilities and they all have to be declared. The only way it isn't is if it is a charity or if it is dormant, but that is only if it does 0 trade.

The next big thing? ;) Remember, Google once had no revenue stream.

Ad supported service providers.

Social?

VC bait?

Not economically viable?