Create a disposable email address so you can sign up for an account without fear of being spammed, targeted with ads or open to data leaks. Best used for services you just want to try out.
From the makers of Firefox, an open source email client that features tabbed browsing, filtering and timeline tools, plenty of customization, and robust security measures.
Use your inbox as a to-do list. Email starts in Low Priority. You can click on Remind to send it to a built-in calendar or To-Do to send it to the Inbox, where it stays until you mark it Done.