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One example of a way that marketers can get the market information they need without violating the Do Not Call restrictions is browser tracking. Cookies left on your computer usually store a unique serial number that can be used to identify you and to keep track of all your visits to a particular website.

If your computer is set up to allow third party cookies it will be stored on your computer, then each time you visit a website in the cookie's network, usually an advertising company will then track you as you travel among these different sites.

Advertisers can then create a profile of you based on your browsing behavior, as well as store your browsing history as long as they like.

The tracking information is then recorded in the Big data analysis which is then used to collect a variety of data, and combined with data tracking software, thus creating another way to market their products to pop up on your computer.

Amazon unquestionably uses Big Data analysis, anytime you browse or search for products, the next time you log in the items pop-up on the home screen. Another way Amazon uses Big Data is by email. If you have an account and log into it anything you browse the items will be emailed Amazon.com has new recommendations for you based on items you purchased or told us you own. They also send emails stating customers who have shown interest in xyz movie also like abc movie.