File 001 · Category Openers
Record 029 · Software · 2009
09.29.SWhatsApp / Meta
“The default messenger for most of Earth outside East Asia and the U.S.”
Simple. Reliable. Secure.
Address-book based, tiny team, status-as-last-seen. Facebook paid $19B in 2014. End-to-end encryption (2016) became a political object.
Filed notes
- Phone-number identity
- Tiny reliable protocol
- E2EE at two-billion-user scale
Units. 2+ billion users
SIC
7375
Information Retrieval Services
NAICS
516210
Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers
