Nobody has mentioned it yet, but this seems most relevant now considering how much people make the same claims about lack of business models (and refusal to use

Nobody has mentioned it yet, but this seems most relevant now considering how much people make the same claims about lack of business models (and refusal to use the most obvious ones) for Twitter and Facebook. Sacrificing short-term revenue for long-term gain worked great for Google. Its unlikely, but seems possible that either twitter or facebook could be the next to come up with a new and improved way to convert activity -> money. We'll see in a few years who is/isn't eating their words about those companies not focusing on revue soon enough.