The current exchange rate is always presented on the icon in the browser’s top toolbar, and a click on it shows a detailed chart of the exchange rate during the selected time span.
More on http://www.biticker.com
#### UPDATES ####
Better support for >10K value on the browser icon badge
Minor UI improvements to the chart popup
Support +10k values, BOYAAAA!
Changed to Bitstamp’s Web Socket API
Updates for the settings page
Added urls to permissions list
Reduced permissions level
Added support for “Log Scale” on chart + settings
Added bitcoin chart to the popup, with additional (configurable) settings to support it.
YAY! A new extension was born