Typically, this information is collected through log files, web beacons, browser cookies, or other device identifiers that may uniquely identify your browser or device. Teachers are able to see the IP addresses of their students for any given problem solved in order to ensure that multiple accounts are not signing in from the same computer possibly indicating one student is signing into another student's account to complete work under a false identity. In addition, the DeltaMath Services may use third party analytics and bug tracking software (including, without limitation, Google Analytics) to collect further Usage Data regarding the online usage patterns of our users and bugs in our Services. We may combine Usage Data with Personal Data in a manner that enables us to trace Usage Data to an individual user. We do not permit third party advertising networks or other third parties to collect information about your browsing behavior from our website for advertising purposes.</p>How we Share Your Information<p>DeltaMath does not sell or rent any of your, or your child’s, personal information to any third party for any purpose - including for advertising or marketing purposes.