The Post-It note works fine as a bookmark or a reminder stuck to a computer screen, but it has limits. It doesn’t travel well, lasts only as long as the flimsy adhesive on the back, and isn’t a safe place to keep passwords, bill reminders, or other sensitive data. Fortunately, there are a slew of smartphone apps that take up no physical space while keeping track of your every last contact and note. Here are the best apps to organize every aspect of your life — from paying bills to tracking workouts.
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