Nice article about Flightradar24

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Can Global Surveillance Be Crowd-Sourced?

A test this summer in the Baltic Sea east of Stockholm will begin to define the future for the exponentially growing, crowd-sourced, global surveillance network that goes by the name of Flightradar24.

the test will look at the performance of ADS-B receivers attached to buoys, a relatively low-cost solution the company could fund on its own. If successful, the test could lead to fleets of buoys in captive locations throughout the oceans or left to slowly free-float on the currents between continents. Other technologies under consideration include balloons and space-based receivers.

company has a “very, very long road map” for new features for both the apps and the web pages, as well as “quite a big update” for the Web in April; there will be four different premium levels.

http://aviationweek.com/commercial-a...-crowd-sourced