IN THEIR OWN WORDS: 13 startups explain why they failed

You may not know it from the headlines, but most startups fail. Some go out in dramatic implosions that leave people without jobs overnight. Some just face a slow decline until they stop.

The reasons behind why startups failed are as varied as what they're working on, but thanks to a new genre of "startup post-mortems" we can take a look at some of the reasons why companies say they met the end.