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Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.
This image shows an example of predicting of the user's rating using collaborative filtering. At first, people rate different items (like videos, images, games). After that, the system is making predictions about user's rating for an item, which the user has not rated yet. These predictions are built upon the existing ratings of other users ...
A few dozens or hundreds of users are presented recommendations created by different recommendation approaches, and then the users judge which recommendations are best. In A/B tests, recommendations are shown to typically thousands of users of a real product, and the recommender system randomly picks at least two different recommendation ...
LinkedIn Recommendations [64] 2 September 23, 2010: ChoiceVendor Social B2B Reviews USA: $3.9 million [65] Rate and review B2B service providers [66] 3 January 26, 2011: CardMunch Social Contacts USA: $1.7 million [63] Scan and import business cards [67] 4 October 5, 2011: Connected Social CRM USA - LinkedIn Connected [68] 5 October 11, 2011 ...
LinkedIn: Business and professional networking Listography: List-sharing LiveJournal: Blog: Blogging Lunchclub: Social meetings Marco Polo: Mastodon: Micro-blogging, decentralized alternative to Twitter MEETin: Social meetings Meetup: Offline meetings MeWe: Likes and emojis Miaopai: Micro.blog: Microblogging MocoSpace: Mobile social network Minds
LinkedIn Learning is an American online learning platform. It provides video courses taught by industry experts in software, creative, and business skills. It provides video courses taught by industry experts in software, creative, and business skills.
LinkedIn introduces new mobile app, codenamed "Project Voyager", making the design more intuitive. [47] 2016: February 4: Acquisitions: LinkedIn acquires Connectifier, a web application that helps companies with their recruiting. [48] 2016: February: Company: LinkedIn's shares drop 43.6% within a single day following an earnings report, down to ...
In demography, the study of social networks has led to new sampling methods for estimating and reaching populations that are hard to enumerate (for example, homeless people or intravenous drug users.) For example, respondent driven sampling is a network-based sampling technique that relies on respondents to a survey recommending further ...