A máquina foi criada para ser autoaprendizagem e, em muitos casos, atualizou e melhorou seu próprio código, até o ponto em que
of relocating itself when its location was compromised.
A conexão que Finch possui é a originalmente projetada, que ele construiu para não se comunicar diretamente.
Root's connection came about after the forced system reboot when she became briefly the Admin for the machine. Once that was resolved, the Machine decided that in order to help people better (which is what it was coded to do), it needed more than 2 categories (Relevant and Irrelevant). Root is the 'Analogue' interface for the machine, and that interface was built by the machine itself, so it's not restricted like the one used for Finch (or on occasion John) etc.
Quando o Root se tornou o administrador por um curto período de tempo,
she had the Machine communicate information verbally to her. It does this in the same way it phones Finch, only with more information than just the numbers (as per the restricted setup Finch required). Root being Admin means she can define the interface parameters, but as she's not anywhere near the Machine's source code, that changed interface has to have been written/updated/added by the Machine itself.
Quando a máquina decidiu
continue using Root, it would have simply maintained the interface it had previously used for communication with her.