您可以快速实现并运行一些内容，然后从产品经理、用户那里得到即时反馈。
You can get something up and running quickly, then get immediate feedback from product managers, users, etc.
这使得你能够向终端用户和其它涉众演示应用程序，或让他们直接使用应用程序，使他们能够对你的工作做出快速的反馈。
This allows you to demonstrate the application to end users and other stakeholders, or have them use the application directly, enabling them to provide rapid feedback on how you are doing.
只要在数字世界中的旅行合乎逻辑、反应快速、即时反馈、很少干扰，用户就会体验“心流”。
Users can experienceflow only if their trips through cyberspace feel seamless, with fast response, immediatefeedback, and few distractions.
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