Twitter on March 21, 2006, when Dorsey published the first Twitter message at 9:50 p.m. Pacific Standard Time (PST): "just setting up my twttr". Dorsey has explained the origin of the "Twitter" title: ...we came across the word 'twitter', and it was just perfect. The definition was 'a short burst of inconsequential information,' and 'chirps from birds'. And that's exactly what the product was. The first Twitter prototype, developed by Dorsey and contractor Florian Weber, was used as an internal service for Odeo employees and the full version was introduced publicly on July 15, 2006. In October 2006, Biz Stone, Evan
Fake news website an open letter on the Poynter Institute website to Mark Zuckerberg, imploring him to utilize fact-checkers to identify fraud on Facebook. Signatories to the 2016 letter to Zuckerberg featured a global representation of fact-checking groups, including: Africa Check, FactCheck.org, PolitiFact.com, and "The Washington Post" Fact Checker. In his second post on the matter on 18 November 2016, Zuckerberg responded to the fraudulent news problem by suggesting usage of fact-checkers. He specifically identified fact-checking website Snopes.com, and pointed out that Facebook monitors links to such debunkers in reply comments to determine which original posts were fraudulent. On 15 December 2016, Facebook