We also use a company called Google to collect and analyze information about the use of our websites. This information helps us serve relevant advertisements to you on Google, and also helps us to measure the effectiveness of our marketing campaigns. If you have an account with Google, Manage Your Advertising Settings, otherwise you can manage these settings through your web browser as described above.</p> <p>We also use a company called Facebook to collect and analyze information about the use of our websites. This information helps us serve relevant advertisements to you on Facebook, and also helps us to measure the effectiveness of our marketing campaigns.