即便后续的AI服务订阅是更大的想象空间，硬件销售也能率先完成商业模式的冷启动，为公司提供宝贵的喘息之机和不依赖融资的生存能力。这比从零开始教育市场为纯软件服务付费，要现实得多。
Why we like itThese popular e-readers let you take your entire library on the go. With weeks of battery life and an anti-glare display, you can read anywhere and anytime with the Kindle. Plus, you can get three months of Kindle Unlimited for free with your purchase.
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Today, more than 130 independently owned SpeedPro studios in the U.S. generate roughly $115 million in annual sales. SpeedPro has an affiliate in Canada that operates over 50 additional units.
The same issues exist on the WritableStream side. A WritableStream has a highWaterMark and desiredSize. There is a writer.ready promise that producers of data are supposed to pay attention but often don't.