translation.en: He's called André Pannison, and he basically took the Twitter conversation in Tahrir Square and the dots you can see are retweets, so when someone retweets a message, a connection is made between two dots, and the more times that message is retweeted by other people, the more you get to see these nodes, these connections being made.
translation.zh: 他集中了侯塞尼・穆巴拉克辞职的那一天 来自解放广场的推特消息 这些点都是转发 如果有人转发了某一条消息，两个点就会建立联系， 一条信息被转发的次数越多 就会有越来越多的点出现，越来越多的联系建立。