Homo Deus is a book about the future -- let me rephrase -- about the futures. Standing under the signpost of 2016, if you are like most of my friends, you are also feeling pretty grim about the immediate future. A rapid perusal of the NYT's headlines of the day reveals a vast range of issues to worry about. However, in his latest book, Yuval Harari, the author of Sapiens, points his finger at the more remote horizon: not the next year, not even the next decades, we are talking about a nebulous timeline which might just exceed our current human lifespan.