Signal is an open source, end to end encrypted messaging service supporting instant messaging, voice calls and video calls. Its messaging function covers text, voice notes, images, video and other files, exchanged either one to one between two users or in group conversations.
Facts
Classification
Sector (GICS) Offering Kind Connections
In Sector
Entity identity for the business product-service.sector GICS enum value this member already carries, per the phase 3 entity-backed browse bucket pilot (docs\design_entity_backed_browse_buckets_20260928.md, owner decision 2026-09-28 on business product-service.sector, w-bucketpilot-gics-0929). The sector fact itself, with its own citation, remains on the member entity unchanged; this edge only adds the durable entity identity the enum value already names.
Sources
1. Wikipedia: Signal (software)
WikipediaIntroduction, GICS sector classification
Signal is an open-source, encrypted messaging service for instant messaging, voice calls, and video calls.
Introduction, offering kind classification
Signal is an open-source, encrypted messaging service for instant messaging, voice calls, and video calls.
View the Source 2. Wikidata: Signal (software)
Wikidata Q19718090 P571 (inception), matched by label plus product/brand/service class (w-bbfill-business-other-0926, manual resolve after WDQS 504 timeouts)View the Source Reader Challenges (0)
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