Say a magazine company wants to regularly send issues to a customer, and the customer signs up. Who has the subscription, the customer, or the magazine company? Which one subscribes?<p>According to Rx, it&#x27;s the magazine company. Which one subscribes?  The magazine company subscribes. It took me a while to realize this when trying to learn Rx concepts, which made it really confusing, since I&#x27;ve always seen the customer as being the subscriber, subscribing and owning the subscription.<p>It looks like Elm is the other way around compared to Rx, I think.