What Happened in 2015
avc.com
avc.com
Fifteen years ago it was hard enough to create software that for most people doing it, it was their main if not only area of expertise. Whereas now it's easy enough that even hobbyists can create high quality software while still specializing in business, marketing, manufacturing, operations, etc.
I fear he may be disappointed there: http://www.google.com/trends/explore#q=startup%20unicorn&cmp...
I think the term Unicorn will only be buried when the bubble finally bursts, i.e. when most of these unicorns burn out within a few months of each other.