Founded on December 14, 2002, and launched 0n May 5, 2003, LinkedIn is hands-down the most popular social media site for professional networking. The website is available in 24 languages and has over 400 million registered users. LinkedIn is great for people looking to connect with people in similar industries, networking with local professionals and displaying business related information and statistics.
Efforts to combat selective exposure in social media may also cause an increase in political polarization. [125] A study examining Twitter activity conducted by Bail et. al paid Democrat and Republican participants to follow Twitter handles whose content was different from their political beliefs (Republicans received liberal content and Democrats received conservative content) over a six week period. [125] At the end of the study, both Democrat and Republican participants were found to have increased political polarization in favor of their own parties, though only Republican participants had an increase that was statistically significant. [125]
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"Social media" is a way for people to communicate and interact online. While it has been around since the dawn of the World Wide Web, in the last 10 years or so we've seen a surge in both the number and popularity of social media sites. It's called social media because users engage with (and around) it in a social context, which can include conversations, commentary, and other user-generated annotations and engagement interactions.
The commercial development of social media has been criticized as the actions of consumers in these settings has become increasingly value-creating, for example when consumers contribute to the marketing and branding of specific products by posting positive reviews. As such, value-creating activities also increase the value of a specific product, which could, according to the marketing professors Bernad Cova and Daniele Dalli, lead to what they refer to as "double exploitation".[186] Companies are getting consumers to create content for the companies' websites for which the consumers are not paid.
The variety of evolving stand-alone and built-in social media services makes it challenging to define them.[2] However, marketing and social media experts broadly agree that social media includes the following 13 types of social media: blogs, business networks, collaborative projects, enterprise social networks, forums, microblogs, photo sharing, products/services review, social bookmarking, social gaming, social networks, video sharing, and virtual worlds.[17]
If you have a product or service of your own that you’d like to promote, you can use social media to generate sales. First, you can share links to your product and a description on your social platforms. One of my friends on Facebook started her own rustic D.I.Y. furniture and home decor business and always posts images of all the products she creates on her page which helps promote her business and bring in new customers.
You can promote your work with platforms like Flickr or you can offer your work so people can use them for free on their websites. Once you are able to increase the number of people who are aware of your work, you can join paying sites like Shutterstock or iStockphoto. If someone takes interest in your work, he’ll be required to pay for your pictures before using them on his blogs.
Launched in March 2010, Pinterest is a relatively newcomer in the social media arena. This platform consists of digital bulletin boards where businesses can pin their content.  Pinterest announced September 2015 that it had acquired 100 million users. Small businesses whose target audience is mostly made up of women should definitely invest in Pinterest as more than half of its visitors are women.

A sponsored social media post is when a brand engages an influencer to create content featuring the brand (it could be one post, two posts, or a series of posts) and share it with their followers. There are many forms of sponsored social media posts, from sharing the brand owned content, developing unique imagery, promoting a new product, launching a new brand or generating exposure among a new target market.  
Social media is also often used for crowdsourcing. Customers can use social networking sites to offer ideas for future products or tweaks to current ones. In IT projects, crowdsourcing usually involves engaging and blending business and IT services from a mix of internal and external providers, sometimes with input from customers and/or the general public.

Having social media in the classroom was a controversial topic in the 2010s. Many parents and educators have been fearful of the repercussions of having social media in the classroom.[194] There are concerns that social media tools can be misused for cyberbullying or sharing inappropriate content. As result, cell phones have been banned from some classrooms, and some schools have blocked many popular social media websites. Many schools have realized that they need to loosen restrictions, teach digital citizenship skills, and even incorporate these tools into classrooms. Some schools permit students to use smartphones or tablet computers in class, as long as the students are using these devices for academic purposes, such as doing research. Using Facebook in class allows for integration of multimodal content such as student-created photographs and video and URLs to other texts, in a platform that many students are already familiar with. Twitter can be used to enhance communication building and critical thinking and it provides students with an informal "back channel"), and extend discussion outside of class time. YouTube is a frequently used social media tool in the classroom.[195][not in citation given] Students can watch videos, answer questions, and discuss content. Additionally, students can create videos to share with others.
Welcome to The Beginner's Guide to Social Media! Whether you're new to social media or just looking to close a few knowledge gaps, we're glad you stopped by. By now, we've all heard how valuable—even essential—social media can be. Whether your current sentiment leans more toward enthusiasm or trepidation, there's no way around the fact that social media is a far more complex field than it first seems. Diving in without a sense for what it's like can be overwhelming, and building a network that provides real value takes both savvy and hard work, but fear not—we're here to help! We hope you'll find this to be one of the most comprehensive social media resources available, and that no matter what your skill level is, there's plenty in here to help you improve your social presence. What are we waiting for? Let's dive in!

Social media originated as a tool that people used to interact with friends and family but was later adopted by businesses that wanted to take advantage of a popular new communication method to reach out to customers. The power of social media is the ability to connect and share information with anyone on Earth (or multitudes of people) as long as they also use social media.
"Cyborgs", a combination of a human and a bot,[33][34] are used to spread fake news or create a marketing "buzz".[35] Cyborgs can be bot-assisted humans or human-assisted bots.[36] An example is a human who registers an account for which he sets automated programs to post, for instance, tweets, during his absence.[36] From time to time, the human participates to tweet and interact with friends. Cyborgs make it easier to spread fake news, as it blends automated activity with human input.[36] When the automated accounts are publicly identified, the human part of the cyborg is able to take over and could protest that the account has been used manually all along. Such accounts try to pose as real people; in particular, the number of their friends or followers should be resembling that of a real person. Often, such accounts use "friend farms" to collect a large number of friends in a short period of time.[37]
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