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Notifications tell the user that something has been added to their profile page. Examples include: a message being shared on the user's wall or a comment on a picture of the user or on a picture that the user has previously commented on. Initially, notifications for events were limited to one per event; these were eventually grouped category-wise.
For example, a Facebook user can link their email account to their Facebook to find friends on the site, allowing the company to collect the email addresses of users and non-users alike. [216] Over time, countless data points about an individual are collected; any single data point perhaps cannot identify an individual, but together allows the ...
Facebook Query Language (FQL) is a query language that allows querying Facebook user data by using a SQL-style interface, [1] avoiding the need to use the Facebook Platform Graph API. [2] Data returned from an FQL query is in JSON format by default.
Facebook login page changes due to Facebook Timeline addition. 2012: January 10: Product (news feed) Facebook starts showing advertisements (called Featured Posts) in the news feed. The advertisements are generally for pages that one's Facebook friends have engaged with. [353] [354] 2012: April: Acquisition: Facebook acquires Instagram for $1 ...
Facebook launched the Facebook Platform on May 24, 2007, providing a framework for software developers to create applications that interact with core Facebook features. [1] [2] A markup language called Facebook Markup Language was introduced simultaneously; it is used to customize the "look and feel" of applications that developers create.
In CODASYL databases it's called 'owner-member'. A master–detail relationship is a one-to-many type relationship. Examples of a master-detail relationship are: a set of purchase orders and a set of line items belonging to each purchase order, an expense report with a set of expense line items or a department with a list of employees belonging to it.
Facebook is the first app to have animated face filters. The company worked with artists Hattie Stewart and Douglas Coupland to design original filters for the Facebook app. [17] To access lenses, swipe up and down, but users have to apply them before recording or taking a picture, which is a key difference between Facebook stories and Snapchat ...
A user viewing the British Armed Forces Facebook page. A brand page (also known as a page or fan page), in online social networking parlance, is a profile on a social networking website which is considered distinct from an actual user profile in that it is created and managed by at least one other registered user as a representation of a non-personal online identity.