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An activity stream is a list of recent activities performed by an individual, typically on a single website. For example, Facebook 's News Feed is an activity stream. Since the introduction of the News Feed on September 6, 2006, [ 1 ] other major websites have introduced similar implementations for their own users.
Activity Streams is an open format specification for activity stream protocols, which are used to syndicate activities taken in social web applications and services, similar to those in Facebook's, Instagram's, and Twitter's. [1] Components of Activity Streams. The standard provides a general way to represent activities.
The new protocol was designed to be useful for general activity streams and not just status updates, and replaced many of OStatus' external dependencies with JSON-LD and a REST API for its messaging and inbox systems, as well as making more use of ActivityStreams. While not as utilized as its OStatus predecessor, it would end up becoming ...
Activities are actions that create and modify objects, for example a Create activity creates an object. Actors are representative of an individual, a group, an application or a service, and are the owners of objects. Every actor type contains an inbox and outbox stream, which sends and receives activities for a user.
Messenger, [11] also known as Facebook Messenger, is an American proprietary instant messaging service developed by Meta Platforms.Originally developed as Facebook Chat in 2008, the client application of Messenger is currently available on iOS and Android mobile platforms, Windows and macOS desktop platforms, through the Messenger.com web application, and on the standalone Facebook Portal ...
In August 2015, Facebook began to allow users to live stream video. Streams appear on the News Feed, and users can comment on them in real-time. Live broadcasts are automatically saved as a video post to the streamer's page. The feature was positioned as a competitor to services such as Meerkat and Periscope. [104] [105]
While Workplace accounts are set up and run separately [9] from Facebook accounts, Workplace uses much of Facebook's underlying technology. Workplace uses machine learning to rank information in a user's news feed and make recommendations, while 'downranking' less relevant information. [10]
On October 8, 2018, Facebook, Inc. announced the sale and shipment of the 10.1-inch (25.7 cm) Portal and the 15.6-inch (39.6 cm) Portal Plus. [9] [10] The second generation of Portal devices was announced on September 18, 2019; the second-generation Portal and Portal Mini were released on October 15, while Portal TV was released on November 5.