仅仅半年以后，iPhone 5 发布，而这次 iPhone 有个大事件，丢掉了过去一英寸宽的接口，取而代之的是一个小得多的 Lighting 接口。
His move to the startup world was inspired by Clayton Christensen’s The Innovator’s Dilemma, which argues that market leaders, by nature, are often set up to fail. “This thesis made me really understand how the technology industry was going to be much bigger, much faster than most thought in the late ’90s,” he told Authority Magazine in 2021. “This made me take the risk of working at my first startup because I believed that big companies were at risk of being disrupted due to the advent of the internet and mobile phones.”
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經歷了接近半年時間的監禁，對關恆來說，這也加深了他對自由的感受。關恆說，過去在中國的時候，「我只是覺得被關到監獄、失去去自由其實是一個非常可怕的事情，但是具體有多可怕，我感受不到，我也不能完全想象到。」直到第一次真切地感受到失去人身自由之後，他才更意識到自由的重要性。
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