Me han enviado un correo con esto:
Let a friend try Humble Monthly free!
As thanks for being a loyal Humble Monthly subscriber, we’d like to give you the chance to share Humble Monthly with a friend.
You can use the following link to grant a friend a free trial. They’ll get one free month of Humble Monthly when they subscribe for the first time!
[*Free trial offer only available to new subscribers. Limit free one month issued per link. This free trial offer expires on May 3, 2019 at 10:00amPT. Your friend must subscribe to Humble Monthly in order to receive their free month. Once the free month ends, your friend will be billed for subsequent months on a Monthly plan for $12/month.]
Entiendo que regalo a un mes si alguien se hace nuevo suscriptor (o sea, que paga el 1er mes no?)