you could totally do this, almost free. I think the entire (pictureless) wikipedia is ~8gb ? maybe more ? That file could be broadcast over multicast off these things on their unused frames. For instance, the bird knows that when it flies over some impoverished region, there's maybe 0-3 paying customers probably not maxing out the capacity at any given time. They could freely broadcast wikipedia or other educational books on a multicast basis. It would just require word of mouth and equipment to tell them what to tune into. After, say, 5 days, you eventually get all 8gb and can unzip it.