Added the most popular user-defined functions - automatic detection rss-feeds on any resource. The official blog Chrome developers can explain the principle of the innovation. In principle, nothing complicated - as soon as you visit a site in the address bar of Chrome appears icon rss, clicking on which you receive a list of news, adapted to the browser.
As in Firefox, you can choose one of the services of reading rss-feeds. In general it, Internet Explorer also uses a similar technology. As we can see, Chrome took advantage of already prepared a model for developing their own tools.