I wouldn't be suprised to see ActivityFlow™ or such at AWS, some PAAS activity-pub server that can be connected to lambda, kinesis, etc etc to "add your product

I wouldn't be suprised to see ActivityFlow™ or such at AWS, some PAAS activity-pub server that can be connected to lambda, kinesis, etc etc to "add your product to the fediverse - infinately scalable (€0.002 per in- or outbox activity)". Naturally, that would be a proprietary service. Or a service lifted off github and extended - the patches never streaming back upstream.