The address book is outdated.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.

Business cards are as obsolete as fax machines. And like fax machines, business cards have us still using paper to move electronic data from one digital system to another. Let’s review the whole ...

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 ...