The latest Firefox 3 nightly build includes user interfaces elements of the new bookmarking system, complete with tagging support. The interface itself still has some rough edges that need to be smoothed out, but so far it seems relatively reliable and user-friendly.

Although the underlying components of the Places system for bookmark and history storage were first included in Firefox 3 alpa 5, the frontend for leveraging many of those features was still in the early planning stage at the time.

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