If you haven't done any spring cleaning yet, it's not too late to get started. And where better to take aim than your overflowing email inbox? This might seem like a daunting task, but once it's done, it feels great-especially if you can manage to keep your email clean and tidy. One simple way to accomplish this is to simply give your inbox a break. Here are a few ways to use Dropbox in place of email to share files, stay up to date, and work with feedback.