Too Long; Didn't Read
The Future of Email is changing the way we use emails. Basecamp is working on a tool that'll fix all of the core problems of emailing. Many companies have chosen to focus on solving a very specific problem with emails, e.g. LeaveMeAlone, allowing you to connect your inbox and check all the email lists your account is currently subscribed to. That way, you can directly unsubscribe from newsletters only with a single click, instead of going through each individual unsubscription process when you receive the next issue.