Sadly, there’s no one-size-fits-all approach when it comes to cleaning up your address book - and apps can’t read your mind, so you’ll have to do a lot of legwork yourself. But those contacts can get disorganized over time as you rack up duplicate entries, outdated information and numbers for people you no longer talk to. When was the last time you memorized a phone number? Thanks to smartphones and the internet, you can stuff hundreds of numbers and email and mailing addresses into your pocket without a second thought.
