A web cookie, a commonly used data collection technology, is simply a piece of text which can be placed on the browser of your personal computer or mobile device and subsequently read as you visit a web site. A cookie may be a session cookie, that is, a cookie that remains on your browser while you are logged on to a particular web site and then disappears when you close your browser, or it may be a persistent cookie, a cookie that remains on your browser over a period of time. Information from a cookie may be collected and used in aggregate form. Or data may be collected into an individual profile or record. That individual record may either be unique but anonymous, or the profile can be linked with information that identifies you as an individual. You can learn more about cookies, generally, at www.allaboutcookies.org.
Essential cookies. We may use a limited number of cookies essential to particular services you have requested or for security purposes. A few of our sites use a cookie for a shopping cart function when you purchase services or offerings. In particular, if you have registered for a site or use a customer portal we may use a cookie to authenticate the pc or mobile device that you are using.
Performance cookies. We allow third parties to set analytics, or performance, cookies to collect and report aggregate information. These cookies provide reporting to us on an aggregate basis and so, do not identify you at all. We use the aggregate reports to understand how our web sites are used and improve their usefulness to our audiences.