Just came across this today, and really only after seeing a Twitter post about it. Some folks at Microsoft are participating in receiving feedback for various areas of Microsoft on a volunteer basis. The following web site contains areas where you can give direct feedback for things like System Center documentation and the TechNet Wiki. I’m sure more areas will be included as it moves on, but so far, here’s the list of areas where you can provide feedback:
The main site link: http://communityninjas.uservoice.com
There’s also a Wiki article that walks you through the functions, ideas, and features of the new Community Ninja Suggestion Box.