• The World Wide Web is now thirty years old. Its inventor, Sir Tim Berners-Lee, has spoken about (1) __ its 30th anniversary . • He said he was worried about how people are using the Internet and its two (2) __ . He also said he is concerned about the future of the Web. • He wrote a letter saying he knew many (3) __ about whether the Web was "a force for good". He believes it can be a force for good (4) __ billions of people. • He wrote that he believed governments and companies must (5) __ build a better Internet. He said: "If we give up on building a better Web now, then the Web will not have failed us. We (6) __ the Web ."