What carrier is giving free iPhones?

I'm curious to know, could you elaborate on the statement "What carrier is giving free iPhones?" Are there any specific telecommunications companies that are currently offering this type of promotion? Are there any conditions or requirements that customers need to meet in order to qualify for a free iPhone? Is this a limited-time offer, or is it an ongoing promotion? I'm eager to learn more about this potential deal and how it might benefit consumers in the market for a new smartphone.