I do miss real-time search. Unfortunately, I get an error when trying to add the extension through the Chrome Web Store. Ubuntu 12.04 (w/ GNOME 3) / Chrome 22.0.1229.94 Error: "Package is invalid. Details: 'Could not load extension icon 'images/128x128.png'.'."
danhoc01,
The issue has been fixed. Please try installing again and let us know if it worked.
Thanks for reporting the issue.