Your video content viewing activities may be collected through your use of the Services. By viewing our video content, you are consenting to share your video activities with others, including what videos you have watched on the Services. Sharing this information will allow you to take advantage of social networking and other features on the Services.

Social Networking Services

SNI/SI Networks L.L.C. ("Smithsonian Networks") has partnered with certain third party social networking companies to offer you their services through certain Smithsonian Networks Services. For example, you can use third party social networking services, such as Facebook, Google or Twitter, to share information about your experience on Smithsonian Networks Services with your friends and followers on those services. These social networking services may be able to collect information about you, including information about your activities on Smithsonian Networks Services, and they also may notify your friends, both on Smithsonian Networks Services and on their services, that you are a Smithsonian Networks Services user or about your use of the Smithsonian Networks Services, in accordance with applicable law and their own privacy policies.

By using your Smithsonian Networks Services account with a third party social networking service, you consent to share information about you, including video content that you have watched on Smithsonian Networks Services, with your friends and followers on those services. You can limit how third party social networking services share your information by visiting your social networking services' websites and updating your privacy settings.

In addition, Smithsonian Networks Services may request your permission to a) access and collect information available from your social networking account; and b) post information to your friends on your behalf. When you connect your social networking service with your Smithsonian Networks Services account, you authorize Smithsonian Networks Services to access certain information about you from your social networking service to provide content and services, including to help us tailor our communications to you and to develop rich online content and services across the Smithsonian Networks Services. The information Smithsonian Networks may access from your social networking services is governed by the privacy policies and settings of those third party services.

Video Measurement Services

Some of the Smithsonian Networks Services may use cookies, web beacons, and other similar technologies that allow market research companies, such as Nielsen TV Ratings or Comscore, to collect information about you, including video content that you have watched on Smithsonian Networks Services. By watching video content on Smithsonian Networks Services, you consent to allow us to share information about you with these video measurement services. For more information about Nielsen TV Ratings, please visit here. If you do not wish to participate in Nielsen's digital measurement research on mobile platforms, please visit here to opt-out. If you choose to opt out, Smithsonian Networks will not share with Nielsen video content viewing information about you. For more information about Comscore, please visit here. Please note that we do not share contact information with video measurement services.

In addition, third party market research services, such as Nielsen, may access information about you through your social networking services. You can limit the information that such companies may access by visiting your social networking service and updating your privacy settings. Please visit here to read about Facebook's participation in Nielsen's measurement services, and here to learn how to opt out of Nielsen measurement services on web browsers.