Dennis Crowley / Foursquare Intersections:
Foursquare's Hypertrending app uses Pilgrim, its SDK used by thousands of apps on millions of phones, to show where people congregate in Austin, in real time — Where 10 Years of Foursquare Has Led Us — It's been 10 years since we launched Foursquare at SXSW in 2009.
from Techmeme https://ift.tt/2TngU05