You can find out more about Google’s position on privacy as regards its analytics service at http://wiht.link/analytics-privacy.
More information on session cookies and what they are used for can be found at http://www.allaboutcookies.org/cookies/session-cookies-used-for.html.
These are cookies set on your machine by external websites whose services are used on this site. Cookies of this type are the sharing buttons across the sites that allow visitors to share content onto social network. To implement these buttons and connect them to the relevant social networks and external sites, there are scripts from domains outside of our website. You should be aware that these sites are likely to be collecting information about what you are doing all around the internet, including on this website. You should check the respective policies of each of these sites to see how exactly they use your information and to find out how to opt out or delete such information.