Launching a product is hard to do.
"Less than 3% of new consumer packaged goods exceed first-year sales of $50 million -- considered the benchmark of a highly successful launch," say Joan Schneider and Julie Hall, co-authors of The New Launch Plan.
That's part of the reason that the most heavy-hitting names in business -- from Pepsi to Netflix, Microsoft to McDonald's -- have had some of the biggest belly flops.
Here's a look at 22 of them and what we can learn from these epic fails.
Aimee Groth contributed reporting to this story.