การดู
8:45
FAANG System Design Interview: Design A Chat System (WhatsApp, Facebook Messenger, Discord, Slack)
3:19
How to hide Facebook chats sinhala | Messenger chat Archive option | SL Academy
0:47
Symphony Messaging Overview | Secure Workplace Chat
10:06
Chat App | WhatsApp | Facebook Messenger | System Design
6:05
This Messaging App Changes Everything
29:16
System Design : Design messaging/chat service like Facebook Messenger or Whatsapp
1:01
Windows Live Messenger is back with Escargot!
15:54
SimpleX Chat - Next Level Private Messaging
