We may also include Clear GIFs in our email products in order to determine information about the opening and reading of such emails. In addition, some advertising networks that serve ads on our web Service may occasionally use Clear GIFs within banner advertisements. Clear GIFs set by Ultimate Guitar generally are not used to collect, gather, monitor, or share personal information about our users, though they can be used in conjunction with cookies to record particular actions. We use Clear GIFs primarily to compile aggregated, anonymous statistics about web Service or email product usage. </p> <p>Some of the advertisements and other services that appear on our web Service(s) are delivered to you by Internet advertising companies. These companies utilize certain technologies including cookies to deliver advertisements and marketing messages and to collect anonymous information about your visit to our sites and other web sites.