I'm nervous and rushed, but here's the history of kite balloons and the modern difficulties of their manufacture in 5 minutes, starting 44 minutes in to this video (I can't seem to rip a high quality video off the Dailymotion site- you'll have to jump ahead).

IGNITE ToorCamp!!! Ignite Talks in a Titan-1 Missile Silo!!!
by MediaArchives