![]() ![]() The low rate may reflect internet users’ desire not to disrupt the targeted advertising system that generates income for sites and supports many free services online. A survey by the Interactive Advertising Bureau last year found that only 1% to 5% of web users were telling sites not to sell their data. The typical goal of this sort of data collection is to sell more goods and services, but the profiles have at times been used to offer goods and services to some consumers and not others - witness, for example, the settlements Facebook signed after civil rights groups accused the company of helping marketers target ads for housing, jobs and credit in a discriminatory way.Ĭonsumers have been slow to exercise those rights. Often called tracking cookies, they’re used by online advertising networks and data brokers to build profiles of what you do online - sometimes identifying you, sometimes grouping you anonymously with other users with similar characteristics. The site you’re on now is one of many where you’ll encounter third-party cookies. But as targeted advertising has spread online, another type of cookie has become ubiquitous: “third-party” cookies that collect your data on behalf of a site other than the one you’re visiting. Sites issue a number of “first-party” cookies to support their features and functions. Other types of cookies measure how popular a site’s offerings are, and still others help the site and its advertisers make money. ![]() They have a variety of purposes, but a fundamental one is to make a site’s features work - for example, by keeping you logged in as you move from one page to another within a site, or by retaining items in your cart as you continue shopping. Cookies are small text files that websites store on your computer to identify you uniquely.
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