This Is How Ugly Foursquare Looked 4 Years Ago
Foursquare has written a blog post about what the first prototype of their app looked like 4 year ago. I would say that the design of their app has come a long way since then. Foursquare recently added ratings for locations to compete with services like Yelp.
This article was written by Amit Chowdhry. You can follow me at @amitchowdhry or on Google+ at +AmitChowdhry