It's not longer a secret that open-source solutions are implemented all over the world, but now we also have some numbers from a survey carried out by Black Duck Software revealing that they are actually much more than people might think.Black Duck Software has been putting together a survey regarding the use of open-source software in all kinds of environments, like mobile, clouds, desktop, servers, and pretty much anything else that you can think of, and they reached an interesting conclusion. More than 78% of the companies in the world use open source, one way or the other.