Broken in latest Firefox Rated 2 out of 5 stars
This (was) a great toolbar until the developer apparently stopped supporting it. It works in FF16, not in at least 21+. Not sure in exactly which version it broke. The author has been unresponsive to emails.Also for users unaware, there's now an Android widget that will give you customized notifications for price changes as well as the current hourly and five-minute rates.