Yahoo Mail adds contacts to your address book automatically when you email someone new. You can manually add new contacts to Yahoo Mail by using the "Add a new contact" feature at the bottom of the ...

WhatsApp just announced that it’ll soon let users add contacts from any device, and not just a primary phone, thus solving one of life’s little annoyances. A forthcoming update will let people add and ...

WhatsApp New Feature: WhatsApp, the popular instant messaging platform owned by Meta, has launched a new feature that allows users to privately add and manage their contacts across multiple devices.