In the U.S. we are still waiting to see how we might use Geoplatform.gov, but in Singapore the Land Authority (SLA) not only has its own OneMap, but now it has beta tools for government departments and non-governmental organizations to collect data via crowdsourcing via that map. One of the first users is a cat-focused organization which uses the map to have people map stray cats to address the issue. SLA has added a business query tool that will enable online purchases. This is not a private company; this is the government of Singapore.
