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.