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Brick and mortar stores have a way of tracking you now. >> yeah, cutting-edge technology is allowing them to get more invasive. finding and keeping more information about you than you'd ever imagine. >> we're talking about department stores like home depot, macy's, nordstrom's and american outfitters. just the stores that are using new technology to find out how you shop for get cookies. retailers follow you where you walk and talk on foot. >> the host of tech bites is with us. good morning, brett. explain to us, what is this and how does it work? >> yeah, george orwell was about 20 years off ...

We're focused much more on the user experience. >> this has to be all about potential if it's never turned a profit. let's talk to brett larson, host of "tech bites." can you explain, i tweet, you tweet, how does twitter make money for its investors? >> that say great question. they're making money from investors from amazing jump in stock price. over 20% jump in stock price. the ceo said it very well, they now have time to figure these thing out. the one thing that twitter has absolutely figured out is the mobile space. and that is where all of the users are going. they're going to their smar...

>> they've got to counteract with other security. >> we always say, where does the responsibility of facebook -- it's a company, and the responsibility of the parents begin. >> what's interesting, though, why not -- why facebook doesn't launch a side site for the 13 to 17-year-olds where there is some level of safety, there is a higher wall and mormon torg in place. because you're absolutely right. bullying online is inhe is capable, worse than in the classroom. >> brett larson, tech bites, love it. coming up next on "new day," what do you think is wrong with this picture? not this, this pic...