I did PhD in Cloud and Big Data (Created a Cloud and Big Data platform for crunching large scale images on satellite clusters). I spent about 10 years of my life working on nothing but Cloud and Big Data. And I rarely do comment on anything outside my area of expertise. If you find any of my comments incorrect or interesting, I will be more than happy to engage in a conversation with you. This is also third or fourth time an account has been created to reply to my comments. I find it very interesting!