The address book is outdated.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.

iOS apps that build their own social networks on the back of users’ address books may soon become a thing of the past. In iOS 18, Apple is cracking down on the social apps that ask users’ permission ...

Yahoo Inc. announced the public release today of a new Address Book application programming interface (API) that enables developers to build new applications by using the address books behind Yahoo ...

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 ...