Introducing Project Loon: Balloon-powered Internet access
I took a screenshot of one of the videos: <a href="http://i.imgur.com/nppgVPG.jpg" rel="nofollow">http://i.imgur.com/nppgVPG.jpg</a><p>Perhaps Iridium refers to the Iridium satellite constellation (<a href="https://en.wikipedia.org/wiki/Iridium_satellite_constellation" rel="nofollow">https://en.wikipedia.org/wiki/Iridium_satellite_constellatio...</a>) (Edit: or maybe one of their products <a href="http://www.iridium.com/Products.aspx" rel="nofollow">http://www.iridium.com/Products.aspx</a>) and "SBD service" refers to something like this: <a href="http://www.iridium.com/products/IridiumSBD.aspx?section=support" rel="nofollow">http://www.iridium.com/products/IridiumSBD.aspx?section=supp...</a> ?<p>Edit 2: Perhaps they were tracking the balloon?