“When something goes wrong, someone is going to tell the story. You’ll be better off if it’s you. Otherwise, you create an opportunity for rumors, hearsay, and false information to spread.

“When something bad happens, tell your customers (even if they never noticed in the first place). Don’t think you can just sweep it under the rug. You can’t hide anymore. These days, someone else will call you on it if you don’t do it yourself. They’ll post about it online and everyone will know. There are no more secrets.

“People will respect you more if you are open, honest, public, and responsive during a crisis. Don’t hide behind spin or try to keep your bad news on the down low. You want your customers to be as informed as possible.” 
—Rework, Jason Fried & David Heinemeier Hansson