leslie harris, why did you start us off by describing what are people afraid of? >> i think what people are afraid of is a continual harm, starting with embarrassment, disclosure, perhaps to their family about things that they have been searching. i think people forget, we don't tend to have a computer, so there is a broad set of people who may be involved. obviously, evil are concerned that they will be labeled, identified, that piece of data will be combined with other data when you talk about search data, you talk about search data over time. i will get back in a minute of whether to i think it has to be hacked into what to do this, because i think that's not the case. what if you're talking about search data over time, you can well be talking about any other kinds of surfing data over time. it's the question of can you ever get and put back together from a bunch of individual brands and not just pieces of data, sufficiently rich profile that you identify a person. and once you identify a person and have that range of data, what we don't know because we know ve