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Wi-Fi calling in the United States has hit an all-time high and Republic Wireless — a small, renegade phone carrier — has taken advantage of this. Walt and Nilay discuss Walt's review of Republic in length, as well as the convenience of Wi-Fi on the go, with an insight of what Steve Jobs was thinking back in the early days of the iPhone. Learn more about your ad choices. Visit megaphone.fm/adchoices