In a CBS 60 minute segment on Sunday, Amazon's Jeff Bezos talked about octocopters that can achieve a " Half hour delivery/and we can carry objects, we think, up to five pounds, which covers 86 percent of the items that we deliver."
b) Disruptions from other industries may change the way you do business. Embrace it and don't ignore it. Like how the internet disrupted our lives.
c) Don't ridicule new ideas, think about how you may have to change if the ideas take off. Uber, AirBnB are examples.