Honestly my experience with the iPhone tethering has been so good, I don't see a compelling argument to add cellular to the Macbook itself. Seriously, I've str

Honestly my experience with the iPhone tethering has been so good, I don't see a compelling argument to add cellular to the Macbook itself. Seriously, I've streamed Netflix over my phone with zero issues. If the tethering works that well, why go through the expense to add a cellular radio to the Macbook itself, plus the data plan charges?