2 apps and 5 helpful tips for corralling your out-of-control contacts lists on iOS, OS X
Admit it: your contacts lists are a mess of double entries, missing data and old phone numbers. Here are some suggestions for cleaning up the contact lists associated with your traditional mail accounts.
http://feedproxy.google.com/~r/TheAppleBlog/~3/Ul5Muawj1Vw/