Alphabet has shut down its Titan unit that was exploring the use of unmanned aerial vehicles for the delivery of internet services.

The Google parent is instead focusing on its balloons-based Project Loon to deliver the internet to remote areas.

Google acquired Titan Aerospace in 2014 and the team from the drone startup was brought in late 2015 into the X research lab, which incubates a number of Alphabet moonshot projects like the Project Wing project for drone-based delivery.

The work on the use of high-altitude UAVs for internet access was ended shortly after, as it was found that "the economics and technical feasibility of Project Loon present a much more promising way to connect rural and remote parts of the world," Alphabet said in a statement Wednesday.

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