从研究的角度来看，纽约瀑布研究项目的要点就在于绘制出访客的分布图，以及揭示他们是在哪里拍照并使用手机与人通信的。
From a research point of view, the point of NYC Waterfalls was to map the distribution of visitors to the exhibit, and reveal where they took photos and communicated with their mobile phones.
这个词汇是由微软的计算机科学家 Gordon Bell 提出的，他还是一个历时 10 年的研究项目的参与者，他使用“传感摄像机”将他遇到的每一个人、到过的每一处地点都拍照记录下来。
The term was coined by Microsoft computer scientist Gordon Bell, who as part of a 10-year research project used a SenseCam to recorded pictures of every person or place he encountered.
现在，一个专业的摄影师被允许在博物馆拍照，一般是要刊登为目的，通常是博物馆要出书或者发行明信片进行市场宣传。
Now, a pro photographer taking pictures would usually publish them, maybe taking a share of the market that the museum itself serves with (often inferior) books and photo-postcards.
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