The address book is outdated. On the iPhone, while most of my contacts reside in the Contacts app, I rarely go in there. Instead, I connect with people on Facebook, via SnapChat, WhatsApp and more.

One of Jeffrey Epstein's "little black books" is for sale. Business Insider first reported about the 1997 address book belonging to the disgraced financier. The book contains entries for 349 people ...

Old-fashioned address books and rolodexes are becoming an increasingly rare sight as the world goes digital. What’s more, digital address books are not something you need to buy separately. If you ...

The U.S. National Security Agency is collecting online address books from Yahoo, Hotmail, Facebook, Gmail and other providers in order to map human relationships, The Washington Post reported Tuesday.