The fact of the matter is that, these days, many a website is created using WordPress. Given a plugin for making recommendations that works in WordPress, that can also be used to aggregate recommendations from trusted advice streams described in
Receiving and Filtering Advice, a given website would instantly become an additional node in a self-organizing advice network. It is likely that similar capabilities are available in social media centers like Facebook, and other similar systems. In other words, once the system begins to be used, adoption will be rapid, and viral.