How to fix Gmail's cluttered design with a simple Chrome extension

If you're annoyed by Gmail's cluttered design, you're not alone. Its lead designer from 2008 to 2012, Michael Leggett, recently spoke to Fast Company about how much it bugs him — and how he built a Chrome extension to fix the problem.
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Leggett created Simplify Gmail, a free Chrome extension that removes all icons from the left and right sides of the home screen. Every chat, folder, starred email, and add-o