There have been so many reasons for the ICO to be highly active in their public engagement recently and we believe they have done a really great job at informing and providing up to date guidance. Of course, as with all things, this is a "work in progress" however, their input has been critical in expanding our understanding of this complex field.
More info available here together with some very useful guides.
http://ico.msgfocus.com/q/1m5Mt5BhJG5ac3pfLniX/wv