Similar to Shopkick

Trulia

Zillow

Craigslist

Romeo (social network)

SlideShare

Adam4Adam

Backpage

Codecademy

Eventbrite

Locanto

Loopt

OkCupid

Visual.ly

Geosocial networking

OpenWeatherMap

.eg

.tz

0.0.0.0

37signals

Alexa Internet

Windows Imaging Component

80th United States Congress

Derry/Londonderry name dispute

Tennis at the Summer World University Games

Axis mundi