Fascinating maps of how people connect in Istanbul, Baltimore, Barcelona and more http://wp.me/p4wskC-oWJ via @TEDTalks
5:06 PM - 13 Dec 2014
from Concord, MA
0 replies
1 retweet
0 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.