.ou know that from rentrak every time someone buys a ticket, whether it is on their mobile device or television we measure every set top box to measure movies and tv shows. for all tv shows, whether it is live or you are watching it from usingvr, then we are about 60 million. >> compare that to how much -- how many nielsen boxes are out there. as stephanie points out, she's never met anyone with a box. >> in my whole life. i have been asked. >> i feel like i know someone who knew someone. boxes does, how many your competitor have out there? >> they have a sample into the tens of thousands, they are measuring who is clicking and what their age is. doing, with as massively passive approach, we integrate what we own and how we vote politically, in what election do we vote for this candidate or that candidate? and the precise tv show that they watch. rentrak is essentially big data merging with other big data sets. >> so, just walk me through who is using it right now. who is your customer base? agencyof the large holding companies. >> what is that mean? >> wpp, ipg. wpp just recently be

this film releasing next week, which also stars another bollywood superstar is the first film to use rentrakoffice. so i think they really are putting their films on a world platform for more and more people to consume. >> did you love it? >> i've seen it plenty of times. >> i'm sure you have. >> you need to watch it as well. >> okay, good on you. thank you. let me tell you this. governments across the globe, they are grappling with the challenge of providing affordable housing for their ever-expanding populations. in the netherlands, many believe the solution lies not on land, but on water. yeah. in the last of our series on affordable housing, anna holligan reports from the netherlands. take a look. it's really fascinating. >> reporter: a third of the netherlands lies below sea level. the dutch have spent decades developing new ways to incorporate this excess water into their style of living. iberg lies just a few kilometers outside amsterdam city center. it's the first time that floating homes have been built on this scale. iberg represents the relatively affordable expansion of amsterdam