Readers are submitting their best life hack for a chance to win an autographed copy of our new book, Upgrade Your Life. Here's our latest winner. Reader Jeadly got sick of hitting the Caps Lock key ...

Philipp's idea was to use the Caps Lock key as a way to toggle keys on the front row for navigation instead of having to constantly reach for the arrow keys—so you hold down Caps Lock and use J, K, L, ...