Millions of people use Gmail each day, but there are so many features Gmail doesn’t have that could make it a much better experience. Boomerang is a browser extension that will increase your email productivity tenfold by providing those much-needed features. With this extension, users can pause their inboxes which prevents new email from coming in. They can also schedule emails to be sent to a later date. Read Receipts are also a feature included with Boomerang. Finally, users can track responses to their emails. Boomerang gives users more control over their emails, thus increasing productivity and convenience. If you regularly use Gmail, Boomerang is a definite must-have.