They can then place their models on a large map of a city.

VOA: special.2010.07.30

And then, I had all these dots moving around this beautiful picture of this map, which represented downtown St. Louis and then later represented New York City, which I was amazed by.

接着我让这些点在这张,漂亮的地图上动来动去，让它们展现出圣路易斯市中心的景象,之后表示出了纽约城，这让我很惊奇。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

To see a map of the city's Wi-Fi hotspots, check out wifi.dc.gov.

CNN: Wireless carriers beef up networks for Obama inauguration

First, before departure, I gathered a collection of guide books from Lonely Planet and a large fold out map of each city.

FORBES: Looking at the Web from a World Away

Suddenly anyone could zoom across a city map and pinpoint pads.

FORBES: Magazine Article