4 Ideas Google Rejected Before Project Loon

Google's newest project is Loon, a campaign to spread Internet connectivity via a fleet of balloons (or 'loons for short). Remote areas and difficult terrain will have Wi-Fi access thanks to the 30 balloons Google launched last week, as well as the 20 more still awaiting their sendoff

This got us thinking: What other airborne Internet implements could Google have considered before settling on balloons?

Comic illustration by Bob Al-Greene, Mashable