Mozilla Firefox is still the web browser with the most plug-ins and extensions to choose from. Today I will show in my opinion one of the most useful ones.
This is a very welcome feature that saved my day at various occasions, you can turn your iPhone into a wireless hotspot and share its mobile data connection.
Samsung Android devices such as Galaxy S2 or S3 come with a cool app called Kies Air, enabling you to connect via WiFi connection and manage them using a web browser.
If you experience an Mac OS X program to freeze and you cannot exit it by clicking quit or using a keyboard shortcut, you can always force it to quit using the Activity Monitor.