https://www.engadget.com/2019/07/23/alphabet-loon-internet-balloons-1-million-hours-google/
origin - https://www.pipiscrew.com/2019/07/alphabets-internet-balloons-have-spent-a-million-hours-in-the-stratosphere/ alphabets-internet-balloons-have-spent-a-million-hours-in-the-stratosphere