Media of Ukraine in 2011 where estimated at USD 400 million, 200% growth compared to 2010. As of 2011, Ukraine ranked 8th among the world's countries with the fastest Internet access speed, with an average download speed of 1,190 kbit/s. According to Freedom House, the Internet in Ukraine is "Free", in contrast to Ukraine's news media as a whole which is considered to be only "Partly Free". Aside from web portals and search engines, the most popular websites are Vk, YouTube, Wikipedia, Facebook, Livejournal, EX.UA and Odnoklassniki. In May 2017, president Poroshenko signed a decree blocking access in Ukraine to Russian servers VKontakte,
Xing Qiyi on bufotoxins at Wieland's laboratory. In 1937, Xing returned to China. He moved to Kunming since eastern China was occupied by Japanese invaders. There, he spent some efforts on the refining of Quinine. Then Xing joined the New Fourth Army as a teacher in its military medical school. Moreover, he assisted the army to product medicine. In 1946, Xing went back to Beijing and accepted an appointment as a professor at Peking University. In 1950s, Xing designed a new method to synthesize the chloramphenicol. During 1964–65, Xing participated in the total synthesis of bovine insulin project, co-operating with Shanghai Institutes