ï»¿Users who join the program are not allowed to disclose anything about the Skype pre-releases before it becomes public. Confidentiality also has to be kept for 5 years after the program ends or when the user leaves the program.
Clearly, the first amendment to the US constitution is dead. Which, I guess is good for Microsoft, since they can't stand transparency. Lord forbid that anyone should know anything before the approved date (assuming there is an approved date. If there isn't, I assume the public will be left in the dark forever). We wouldn't want the sky to fall, would we?
Still, I guess things could be worse. You could end up being forced to become a beta tester, like Windows 10 home users are.
In other news, when GNU/Linux distro developers release betas, the use of said betas typically comes with no such strings attached. In fact, companies like Canonical often try to make a significant splash on GNU/Linux news sites about upcoming betas. And there are distros like Arch and Fedora, which can be thought of as being in a perpetual beta state. If you give unfavorable criticism to these distros, nothing bad will happen to you. That's the way it should always be