One day when I was walking with my nurse along the citystreet, I asked, "Jane what's under the street?"
一天,当我和护士沿着城市街道散步时,我问:“简,街道下面是什么?”
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Nearly 500 people have been arrested thanks to the system, though there are nocameras watching every face on a citystreet — nor any at the entrance to thestadium, either.
One year ago we wrote about a fascinating service called PolicyMap, a website where users can view more than 4000 different data sets laid out on a map down to the citystreet level.