GPS has made a major impact on our world. How is it a free service that anyone with a phone can access? How is it profitable for companies to offer services like navigation without subscription fees or ads?
In: Technology
The GPS system was established by the US Government. They pay for it with US tax dollars from Americans. They make it generally available worldwide because collecting fees it too hard in many dimensions, and the good PR of making it available has to be worth something. It certainly contributes to freedom of maritime navigation, an important US foreign policy position.
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