The web is not as open as it once was, with nation-states exerting their power over the internet: “…Facebook encapsulates the reasons for the internet’s fragmentation — and increasingly, its consequences. The company has become so far-reaching that more than two billion people — about a quarter of the world’s population — now use Facebook each month. Internet users (excluding China) spend one in five minutes online within the Facebook universe, according to comScore, a research firm. And Mark Zuckerberg, Facebook’s chief executive, wants that dominance to grow. But politicians have struck back. China, which blocked Facebook in 2009, has resisted Mr. Zuckerberg’s efforts to get the social network back into the country. In Europe, officials have repudiated Facebook’s attempts to gather data from its messaging apps and third-party websites…”