Whether or not they have implemented anything yet, "addresses concerns by the likes of Microsoft and other tech giants" should read "addresses concerns of non-US populations"...about the ability of the US Government to pry into the private affairs of non-US citizens.
Not that the US Government gives a flying fuck about the views of non-US citizens. If the US Government finally starts to behave decently and respect the views of non-US citizens (even for the most bogus of corporate-funded reasons), it's a start...
Thus spake the master programmer: "After three days without programming, life becomes meaningless." -- Geoffrey James, "The Tao of Programming"