>> If finding useful pieces of information from huge databases was really hard search engines would advertise smaller databases. Some do. See http://alltop.co

>> If finding useful pieces of information from huge databases was really hard search engines would advertise smaller databases. Some do. See http://alltop.com http://alltop.com for example. But the bigger point (and see Google as the case study for this) -- the fact that it's hard is what makes it valuable.