No one doubts that humankind has entered the information age. In this unprecedented achievement, a new crisis has quietly emerged. The American thinker Thoreau once said: "We are eager to dig the Atlantic Tunnel. We expect the old and new continents to get closer. The latest news actually uploaded was that Prince Adlai yawned. "The danger is here. "Dangerous" in this text means:. ['Too much information spreads too fast, causing an unexpected crisis.', 'The excess of information reduces the quality of information and affects the close proximity of both parties.', 'The rapid dissemination of information makes it impossible for people to judge the essential difference between certain information.', 'The rapid dissemination of remaining information will likely obliterate the information that is not really valuable.']