Stephen Colbert interviewed Christopher Steiner, author of "Automate This: How Algorithms Came To Rule Our World".
As you'd expect in a Colbert segment, there is lot's of 'truthiness' mixed in with the humor.
Some say all this computer trading is dangerous, but I say it's actually safer. Because if the stock market ever crashes again, instead of brokers jumping out of windows in a panic they'll simply turn on their computer and see the soothing message, 'error 404, economy not found.' What's the worst that could happen?
To hear the worst that could happen, watch this video.
Here is a link to Steiner's Twitter feed.