Sounds like they're just going to be replacing them all a few times a year: each balloon is expected to "stay aloft for 100+ days at a time." cite: http://www.

Sounds like they're just going to be replacing them all a few times a year: each balloon is expected to "stay aloft for 100+ days at a time." cite: http://www.google.com/loon/faq/ http://www.google.com/loon/faq/