A thought I have had for a while now was an easy method to request content when you are using Outernet in remote locations. I wondered about using the Iridium sats to relay a request/feedback. Looks like it could be do-able if you grab up some credit and set up a TX like this:
That module is a bit pricey but could be an option should someone need it. As they get a bit more common now that Spark-Fun is promoting them, the price might come down a bit. Just a thought I figured I would share.