Google-watcher ValleyWag believes the search engine wants to roll out a social bookmarking service:
The ValleyWag blogger mentioned an ongoing project that may be a souped-up version of Google's search history feature, in which Google users' bookmarks can be seen by any other user.
For this project, Google may also tie in its tool bar, the user interface found just below a Web browser's "back" button, which contains many of Google's features. The latest version of Google's tool bar can store bookmarks.
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