A social networking service launched publicly in May 2017. It is known for its right-leaning user base, and as a safe haven for far-right extremists. Gab is a Casebook value under the "Network Terrain" variable in the code book.
The Technology and Social Change Project was active from 2019-2023. The Media Manipulation Casebook was a major publication of the TaSC project, and will remain fully accessible at this URL going forward, but will no longer be actively updated.