translation.en: For instance, I think we all enjoyed Hans Rosling's talk, and he really emphasized the fact I've been thinking about for a long time: We have all this great data, but for some reason, it's just sitting there.
translation.zh: 比如，Hans Rosling的演讲大家都很喜欢 他着重讲的内容我也思考过很久 我们有庞大的数据，但却被闲置