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Adverse childhood experiences (ACEs) include childhood emotional, physical, or sexual abuse and household dysfunction during childhood. The categories are verbal abuse, physical abuse, contact sexual abuse, a battered mother/father, household substance abuse, household mental illness, incarcerated household members, and parental separation or divorce.
This is a list of individuals serving in the United States House of Representatives (as of August 21, 2024, the 118th Congress). [1] The membership of the House comprises 435 seats for representatives from the 50 states, apportioned by population, as well as six seats for non-voting delegates from U.S. territories and the District of Columbia.
ConnectU (originally HarvardConnection) was a social networking website launched on May 21, 2004, [1] that was founded by Harvard students Cameron Winklevoss, Tyler Winklevoss, and Divya Narendra in December 2002. [2]
Decade Description 1970s–1980s The PLATO system (developed at the University of Illinois and subsequently commercially marketed by Control Data Corporation) offers early forms of social media with Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowd-sourced online newspaper, and blog; and ...
By the second quarter in 2017, Facebook reported 1.86 billion members, [7] and, in 2008, MySpace occupied 100 million users and YouTube had more than 100 million videos and 2.9 million user channels, [8] and these numbers are consistently growing. The social Web is quickly reinventing itself, moving beyond simple web applications that connect ...
Twitter, officially known as X since July 2023, is a social networking service.It is one of the world's largest social media websites and one of the most-visited websites. [3] [4] Users can share short text messages, images, and videos in short posts commonly known as "tweets" and like or retweet (officially "repost") other users' content. [5]
Two free groups F S and F T are isomorphic if and only if S and T have the same cardinality. This cardinality is called the rank of the free group F. Thus for every cardinal number k, there is, up to isomorphism, exactly one free group of rank k. A free group of finite rank n > 1 has an exponential growth rate of order 2n − 1. A few other ...
Wallop was a research project from the Social Computing Group that was a part of the Microsoft Research team. In the beginning, membership to Wallop was limited so that the testing groups were more controlled for trial purposes.