. >> did anyone defend the practice of geptracking, and can you -- geotracking, and can you turn them off? >> you have to give consent to turn on. they both said that you could turn off relatively easily. they could track your movements for some purpose. they did talk, people want these applications. they are not being forced to download these applications. they are paying for them. is dps ort applications for coupons and things like that -- is a popular applications. >> google was rep -- was represented by allen davis. >> here is how it works. when i first came out of my -- when i first took my phone out of the box, one of the first questions it asked me was whether or not to share information data sharegoogle.-- share information data with google. if the user does not turn in on, the fund will not send any information data back to google. if they do often, it is anonymous and not traceable to a specific user or the vice and users can usually -- or device and users can turn it off. they will be notified it is assessing location information. the user has the opportunity to cancel inst