IE 8: Click on the Web Slice icon
Firefox: Right click and select 'Subscribe to a webckunk' to add it to the webchunk toolbar.
Monitor your package status in your 'Favorites' bar
Packagetrackr is an all-in-one package tracking tool for all your shipments. Packagetrackr will remember all of your tracking numbers and pull delivery status information from dozens of carrier with extra features not offered on the carriers' sites.