There are a lot of incorrect assumptions and  general misunderstandings in this article about how mobile networks operate generally, and about how Project Fi and the Apple SIM work specifically.<p>Would it be great if we could choose a wireless network to join the same way we choose a WiFi network to join? Absolutely.<p>But that&#x27;s not going to happen without the consent of carriers. It&#x27;s not a technology problem that can be solved by an outside entity.