MakeUseOf: 5 New Productive Gmail Apps and Extensions You Should Try. “Gmail is the email service of choice for most of the world. Google has done an excellent job with it. But that doesn’t mean it couldn’t be better. With the right apps and extensions, you can be more productive in your Gmail inbox. You can turn it into an Instagram-like feed to quickly skim through your inbox. A ‘Do Not Disturb’ setting will ensure new message notifications don’t break your concentration. There’s something for everyone here. But of course, none of these can replace the tips and tricks to become a Gmail power user. Master those first, and then move on to these other tools.” I had not heard of any of these extensions.