What's the green "tree" button to the right of the home button? | Hacker News

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dpark on Aug 1, 2011 | parent | context | favorite | on: The future Firefox UI

What's the green "tree" button to the right of the home button?

mbrubeck on Aug 1, 2011 [–]

It's the favicon of a site that is pinned as an "app tab".

dpark on Aug 1, 2011 | [–]

Makes sense. Thanks!

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