The latest ‘SEO Book’ blog post is titled “Yahoo! Secured Search Rolls Out”.Aaron Wall says, “Yahoo! is currently rolling out secured search, which prevents sending referrers to unsecured sites. The roll out is ongoing, but currently they do pass data to secured sites. Unlike Google’s secured search roll out:rather than showing a referrer without keyword data the traffic will show up as direct site visitorsthere is no default automated workaround for advertisersEven though the data is being blocked for both ads & organics right now, advertisers can quickly use Bing... [...]