A. bloging ब्लॉगिंग
B. eCommerce ई-कॉमर्स
C. instant messaging तात्कालिक संदेशन
D. Mobile Banking मोबाइल बैंकिंग
WhatsApp primarily provides instant messaging services, allowing users to send text messages, voice messages, multimedia files (such as images and videos), and make voice and video calls over the internet.