Perhaps it was advertised in the same way any other music event was ? The avenues the band might normally use for advertising . If the NFL was truly trying to expand its viewership , NFL commercials in standard places would probably reach their standard audience . <| sep |> Not enough . For example to support tree style tabs they ' re just adding the ability to create sidebars and hide the tabs bar . That works for that one extension , but it does not solve the underlying problem that the browser will be nearly completely static like Chrome instead of almost like any other web page thanks to XUL . They ' re adding workarounds for individual extensions , that ' s no replacement for the kind of flexibility XUL affords us now .