A video introducing Ubiquity for Firefox, an experiment in connecting the Web with language.
Ubiquity's goals are to:
Empower users to control the web browser with language-based instructions. (With search, users type what they want to find. With Ubiquity, they type what they want to do.)
Enable on-demand, user-generated mashups with existing open Web APIs. (In other words, allowing everyone (not just Web developers) to remix the Web so it fits their needs, no matter what page they are on, or what they are doing.)

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Lately some of us at Mozilla Labs have been experimenting with graphical keyboard user interfaces in Firefox. Our current work-in-progress is something that we’re calling Ubiquity for the time being, though the name is by no means set in stone.Ubiquity is heavily informed by Enso, a software product developed by me and my colleagues at Humanized from 2005-07. Aside from the benefits outlined in Alex Faaborg’s blog post entitled The Graphical Keyboard User Interface, this experiment is intended to solve few other problems, one of which I’ll address in this post.