[burl=http://www.google.ru/search?sourceid=chrome&ie=UTF-8&q=%D1%81%D0%BF%D0%BE%D1%81%D0%BE%D0%B1%D1%8B+%D0%B0%D1%83%D1%82%D0%B5%D0%BD%D1%82%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%86%D0%B8%D0%B8+%D0%BD%D0%B0+%D1%81%D0%B0%D0%B9%D1%82%D0%B5#pq=%D1%81%D0%BF%D0%BE%D1%81%D0%BE%D0%B1%D1%8B+%D0%B0%D1%83%D1%82%D0%B5%D0%BD%D1%82%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%86%D0%B8%D0%B8+%D0%BD%D0%B0+%D1%81%D0%B0%D0%B9%D1%82%D0%B5&hl=ru&cp=26&gs_id=c&xhr=t&q=%D1%81%D0%BF%D0%BE%D1%81%D0%BE%D0%B1%D1%8B+%D0%B0%D1%83%D1%82%D0%B5%D0%BD%D1%82%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%86%D0%B8%D0%B8+%D0%BD%D0%B0+%D1%81%D0%B0%D0%B9%D1%82%D0%B5&pf=p&sclient=psy&newwindow=1&source=hp&pbx=1&oq=%D1%81%D0%BF%D0%BE%D1%81%D0%BE%D0%B1%D1%8B+%D0%B0%D1%83%D1%82%D0%B5%D0%BD%D1%82%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%86%D0%B8%D0%B8+%D0%BD%D0%B0+%D1%81%D0%B0%D0%B9%D1%82%D0%B5&aq=f&aqi=&aql=&gs_sm=&gs_upl=&bav=on.2,or.r_gc.r_pw.&fp=c52d85b85d51c2e2&biw=1280&bih=912]Google: способы аутентификации на сайте[/burl]