For example, decades ago one expert said that by 1984, farmers would plow the ocean floor with underwater tractors; another said that by 1995, cars would be equipped with computerized hardware that would prevent collisions; and another predicted that by 2000, there would be some 50,000 people living and working in space.
તેઓને આશા છે કે દુનિયાના નેતાઓ ૨૦૧૫ સુધીમાં ગરીબીનો અંત લાવશે.