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When we're designing stuff, we look not necessarily just about what any given users going to experience, but what's going to be better for the whole community and the whole product. And I mean, it's gonna be a lot of trade-off going all over the place in a product. Probably the most that you see every day is that you can't see the profiles of people at other schools. That's a really major trade-off in the application.
我們設計應用程序的時候，我們并不注重單一用戶的使用體驗，而更關注其是否有益于整個社區和產品。我的意思是，這就需要在開發產品的各個環節進行取舍。可能你每天注意最多的是你不能瀏覽其他學校的人的信息。這就是在應用程序上取舍后的結果。
For those of you who aren't familiar with this，we spilt up the user base by what school they go to and we make it so that people at a given school can only see the profiles and contact information of people at their school. And the reason for this was mostly to, because we realized that the people around you at your school, are the people who you want to look at mostly anyway. And if we made the space too broad and let anyone see your information — then that probably fine — I mean, look up some people, but you also probably won't put up your cellphone.
你們有些人對此不太了解，我們將用戶按照學校分類，所以只有來自相同學校的人才能互相看到對方的信息和聯系方式。之所以這樣做，主要是因為我們發現人們更樂于關注身邊的人的信息。如果我們把空間瀏覽權限擴展到所有人都可以瀏覽你的信息，那可能也不錯，你能找得到所有人，但是可能你就不愿意把你的手機號放上去了。
More than a third of people on Facebook have their cellphone up there, and that's something useful for the application. So in designing it, this was a trade-off that we made. I kind of thought of what was wrong. I said, well, what would be more useful? Would it be better for people to be able to see everyone and maybe not feel like this is a secure environment in which they can share their interests and what they thought and what they care about? Or would be better that more information and more expression was available, but to a smaller audience which is probably the relevant audience for any person? So, there are a lot of decisions like that, that are getting made and a lot of them are gut level.
超過三成的Facebook用戶在注冊時登記過電話號碼，這對我們這個應用程序是很重要的。所以在設計產品的時候就要做這種取舍。我覺得這樣好像有點不對，那么什么會更有用？是將用戶信息對所有人開放，但這卻讓人們覺得在這樣的網絡中分享自己的興趣愛好及所感所想不太安全，還是將更多的用戶信息和狀態展示給少部分與該用戶有關的人。哪種方法更好？我要做很多類似的決定，而且這些決定是要靠直覺判斷的。
