jennifer valentino disease. good to see you. google would want do this in the first place. >> well, google says the placement of these tracking files was inadvertent, that what they wanted to do was place little buttons on advertisements so you could indicate to your social network that you really liked an ad. >> stop right there. how -- can i just stop you right there? how could it be inadvertent when they apparently used some kind of coding technology in which to bypass, you know, that privacy setting? >> right. so they had to bipass that setting to put these little buttons on and that also resulted in the placement of all these tracking files that could kind of follow your browsing around the web. so what they're saying is, well, we intended to do one thing and we didn't realize that we were also ended up adding all these other tracking files that so how long was it believed that google was doing this? you kno >> you know, i believe, indications are they would have been doing it for several months. they introduced this featur