Serviço de redes sociais

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Social networking services are digital platforms that enable the creation and maintenance of social relationships online. These services come in a variety of formats and offer different features, ranging from sharing digital content to creating global links. They serve multiple purposes, including socializing, professional networking, and navigating social connections. The growth of these services has been impressive, impacting societies worldwide by fostering global communication and influencing various aspects of daily life. As tecnologia[1] evolves, so do social networking services, with a shift towards mobile accessibility and real-time web services. They have found application in various fields, from business to education, promoting collaboration, learning, and professional networking. Despite their wide use, issues such as privacidade[2] and misuse of personal information remain a concern, necessitating the implementation of regulations and investigations.

Definições de termos
1. tecnologia. A tecnologia, derivada das palavras gregas que significam ofício e conhecimento, é um termo amplo que se refere às ferramentas, máquinas e sistemas desenvolvidos pelo homem para resolver problemas ou cumprir objectivos. Com origem em ferramentas primitivas como os machados de pedra e a descoberta do fogo, a tecnologia evoluiu significativamente ao longo da história da humanidade. Foi fundamental em diferentes épocas, desde a invenção da roda e dos sistemas avançados de irrigação nas civilizações antigas até ao nascimento das universidades e da imprensa durante os períodos medieval e renascentista. A Revolução Industrial, no século XVIII, marcou uma mudança significativa na produção em massa e na inovação, dando origem a tecnologias modernas como a eletricidade, os automóveis e as plataformas de comunicação digital. Hoje em dia, a tecnologia faz parte integrante de vários aspectos da vida e da sociedade, impulsionando o crescimento económico e a mudança social, ao mesmo tempo que suscita preocupações sobre a segurança, a privacidade e os impactos ambientais. Espera-se que o futuro da tecnologia traga ainda mais avanços, prevendo-se que o aumento da inteligência artificial tenha implicações significativas no mercado de trabalho.
2. privacidade. A privacidade é um conceito fundamental que evoluiu ao longo da história e continua a moldar o nosso discurso social. Historicamente, teve origem em debates filosóficos, com figuras como Aristóteles e John Locke a lançarem as bases. A privacidade também está ligada a questões legais e éticas, como se pode ver em casos marcantes do Supremo Tribunal e em revelações como as de Edward Snowden. Os avanços tecnológicos desafiaram e reforçaram a privacidade, introduzindo novas ameaças e medidas de proteção. A nível mundial, as normas de privacidade variam, com diferentes países e organizações internacionais a definirem as suas directrizes. Na era digital atual, a privacidade enfrenta novos desafios e considerações, como a utilização das redes sociais, a cultura da selfie e os serviços baseados na localização. Este conceito engloba o direito de um indivíduo a manter as suas informações pessoais secretas e livres de intrusões não autorizadas.

A serviço de redes sociais ou SNS (sometimes called a social networking site) is a type of online redes sociais platform which people use to build social networks ou social relationships with other people who share similar personal or career content, interests, activities, backgrounds or real-life connections.

Illustrations showing various icons of some popular social networking services

Social networking services vary in format and the number of features. They can incorporate a range of new information and communication tools, operating on computadores de secretária and on computadores portáteis, on mobile devices such as computadores tablet e smartphones. This may feature digital photo/video/sharing and diary entries online (blogging). Online community services are sometimes considered social-network services by developers and users, though in a broader sense, a social-network service usually provides an individual-centered service whereas online community services are groups centered. Generally defined as "websites that facilitate the building of a network of contacts in order to exchange various types of content online," social networking sites provide a space for interaction to continue beyond in-person interactions. These computer mediated interactions link members of various networks and may help to create, sustain and develop new social and professional relationships.

Social networking sites allow users to share ideas, digital photos and videos, posts, and to inform others about online or real-world activities and events with people within their social network. While in-person social networking – such as gathering in a village market to talk about events – has existed since the earliest development of towns, the web enables people to connect with others who live in different locations across the globe (dependent on access to an Internet connection to do so). Depending on the platform, members may be able to contact any other member. In other cases, members can contact anyone they have a connection to, and subsequently anyone that contact has a connection to, and so on. The success of social networking services can be seen in their dominance in society today, with X (formerly Twitter) being referred to as "world town square"[by whom?] that offers its users a real-time activity, like contacting anyone including friends, sharing images, videos and texts in form of "tweets". Facebook having a massive 2.13 billion active monthly users and an average of 1.4 billion daily active users in 2017. LinkedIn, a career-oriented social-networking service, generally requires that a member personally know another member in real life before they contact them online. Some services require members to have a preexisting connection to contact other members. With COVID-19, Zoom, a videoconferencing platform, has taken an integral place to connect people located around the world and facilitate many online environments such as school, university, work and government meetings.

The main types of social networking services contain category places (such as age or occupation or religion), means to connect with friends (usually with self-description pages), and a recommendation system linked to trust. One can categorize social-network services into four types:

  • socialization social network services used primarily for socializing with existing friends or users (e.g., Facebook, Instagram, Twitter/X)
  • online social networks are decentralized and distributed computer networks where users communicate with each other through Internet services.
  • networking social network services used primarily for non-social interpersonal communication (e.g., LinkedIn, a career- and employment-oriented site)
  • social navigation social network services used primarily for helping users to find specific information or resources (e.g., Goodreads for books, Reddit)

There have been attempts to standardize these services to avoid the need to duplicate entries of friends and interests (see the FOAF standard). A study reveals that India recorded world's largest growth in terms of social media users in 2013. A 2013 survey found that 73% of U.S. adults use social-networking sites.

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