In addition to blocking Youtube, Turkey has now blocked access to various Google functions. The High Council for Telecommunications has revealed that since June 2010, Turkish internet service providers have been instructed to block Youtube-linked IP addresses. On 4 June, Google investigated complaints that certain Google services, including Google Analytics and Google Docs, were restricted. The Organisation for Security and Cooperation in Europe has estimated that 3700 websites are currently blocked in Turkey, including GeoCities, gay community sites and Kurdish sites.