anor: tatiana de rosnay, thank you.flowers of darkness" was a novel that was written simultaneously in french and in english, which is a world first and gives insight into how much technology is making us increasingly paranoid. thank you again. they're actually going to move on to test 24. as you will see, smartphones -- smart homes spying on us is not that fictional. dan is back in the studio with us for test 24. tatiana was just talking about these connected homes, starting to make me feel paranoid because of all of the sensors and video cameras. to what extent is it actually true that perhaps our homes are spying on us today? analyst: every connected device needs data to make it more intelligent, so it collects data . this company, the i robot company, it placed great emphasis on privacy. if i go to its website, it says it is using the high standards of encryption to keep the data private and secure. now let's take a look at how this roomba works. you can see there is a base, the cleats, and the robot. this robot is