You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account ...

Maybe you’ve been nervously carrying your COVID-19 vaccine card for months, worried you'll lose it. Maybe you’ve already misplaced it and had to request a new one. Worries and hassle, be gone: you can ...

September 29, 2021 — For many years, a cell phone number served as a means for friends, family, or companies to connect through call or text. More recently, the phone number has developed into a ...