landmark 1998 paper, "Anatomy of a Large-Scale Hypertextual Web Search Engine," in which they wrote, "Advertising funded search engines will be inherently biased towards the advertisers and away from the needs of consumers
we knew this would be a problem before it actual became a problem. Is there anything anyone could have done to actually prevent this?, did we need more people to speak up in the early days. Was it really unprecedented and unforeseeable?