Well, so far (in the absence of anything more useful) it contains my Christmas wish list, Our baby "getting ready, what do we need/need to do" list and my wife's Christmas wish list. Along with other waves so people can say what they have got me, without me seeing it and the same for my wife. All unnecessary and could be achieved in other ways but possibly easier (can just dip in when something springs to mind and it is recorded for whoever is interested to see).
Good alternative to email, eventually, possibly. Fun finding out though, if you like that kind of thing, which I do 🙂