Apple Watch 走的也是这条路——将健康与通知两个功能一边升级、一边剥离出来，用户需要购买额外的配件，才能解锁 iPhone 更全面的体验。
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經濟上的收割來得更直接。主流App推出的極速版，用「薅羊毛」遊戲讓老人們為了一天幾塊錢貢獻出數小時注意力。短劇則是更隱蔽的陷阱，「前6集免費，後續每集1元」配合自動續費和免密支付，讓平時連菜錢都要計較的老人在不知不覺中把退休金花光。
The Guardian’s Jenna Amatulli talks to Rolling Stone’s Nikki McCann Ramírez about Trump’s claims, the Democrats’ rebuttal, and how the speech will land with a divided nation