on bbc news, our media editor amol rajan has been speaking to the uk information commissioner elizabeth dunhamthat's coming up next. —— had a cracking week ahead. the information commissioner's office describes itself as the uk's independent authority, set up to uphold information rights in the public interest, promoting openness by public bodies and data privacy for individuals. for the past five years, the commissioner has been elizabeth denham, and she leaves her post at the end of november. elizabeth, thank you very much indeed for speaking to the bbc. so you've been information commissioner since 2016, summer of 2016, a particularly lively period in british politics. were you quite aware of what you were getting into, in terms of the sheer scale, the gargantuan power of, in particular, the californian tech companies that have been so much of your focus? well, i had been in the cross hairs of some of those big companies in my previous work in canada, but what i didn't know, and i think none of us knew, the massive acceleration of information communications technologies, the take—up of serv