Online sites which are chat sites or dating sites, or whatever.

比如那些聊天网站或者交友网站
Those are... Those online sites clearly have the same feature of a party.

这些网站和派对的作用其实是差不多的
You want people to coordinate on the same site.

你希望大家都协调好去同一个网站
What about some other economic ideas?

那有没有经济学里的案例呢
What about some other ideas from economics?

谁能想到一个经济学的案例
What else has that kind of externality like a meeting place?

除会面地点以外还有没有别的外部效应
I mean it's excluding some people,

我觉得除了刚才他们说过的
but things like newspapers or something,

报纸之类的应该是相关的案例吧
like we might want only one like global news site.

可能我们都只需要一个全球新闻网就够了
So, that's an interesting thought, because it can go both ways.

有趣的想法而且两面还都说得通
It could be a bad thing to have one newspaper for obvious reasons,

只有一份报纸的坏处是显而易见的
but in terms of having a good conversation about

但从另一个方面来看