New York Times

Loon, the Google-Linked Balloon Project to Provide Cell Service, Will Close

Google parent Alphabet is shutting down Loon, a high-profile subsidiary spun out from its research labs that used high-altitude helium balloons to deliver cellular connectivity from the stratosphere. Nearly a decade after it began the project, Alphabet pulled the plug on Loon because it did not see a way to reduce costs to create a sustainable business.