TIK TOK INFORMACIÓN - SEE, HEAR AND BELIEVE
150 million Americans collect sensitive information studiar Al consumidor
Full Committee Hearing: “TikTok: How Congress Can Safeguard American Data Privacy and Protect Children from Online Harms” Audiencia completa de el Comité del Congreso contra “Tik Tok: como el Congreso puede proteger la privacidad de documentos y datos y proteger a nuestros niños sobre peligros en el Internet y abuso de empresas en medios sociales de algoritmos adictivos.
https://energycommerce.house.gov/events/full-committee-hearing-tik-tok-how-congress-can-safeguard-american-data-privacy-and-protect-children-from-online-harms
https://energycommerce.house.gov/
Monthly Active Users – TikTok officially has over 1 billion monthly active users. For reference – active users of other social platforms: Facebook – 2.9B, YouTube – 2.2B, Instagram – 1.4B, TikTok – 1.0B, Snapchat – 750M, Pinterest – 480M, Twitter – 300M.
https://www.statista.com/statistics/1324424/tiktok-brand-value/
66 billion U.S. dollars
In 2023, the brand value of TikTok amounted to 66 billion U.S. dollars. A year earlier, the value was estimated at 59 billion U.S. dollars. TikTok is the fourth most valuable media brand worldwide.
Zhang Yiming
Founder, ByteDance
$45B
https://www.forbes.com/profile/zhang-yiming/?sh=332636e11993
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Zhang thought that Chinese smartphone users were struggling to find information in mobile apps available in 2012, and the search giant Baidu was mixing search results with undisclosed advertising. His vision was to push relevant content to users using recommendations generated by artificial intelligence.[9] This vision was not shared by most venture capitalists, and he failed to secure funding until Susquehanna International Group agreed to invest in the startup. In August 2012, ByteDance launched the Toutiao news app and within two years attracted more than 13 million daily users. Sequoia Capital, which initally rejected Zhang, came around and led a US$100 million investment in the company in 2014.[9]
https://en.wikipedia.org/wiki/Zhang_Yiming
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Kids and teens are now spending more time watching videos on TikTok than on YouTube.
In fact, that’s been the case since June 2020 — the month when TikTok began to outrank YouTube in terms of the average minutes per day people ages 4 through 18 spent accessing these two competitive video platforms. That month, TikTok overtook YouTube for the first time, as this younger demographic began averaging 82 minutes per day on TikTok versus an average of 75 minutes per day on YouTube.
In the years since, TikTok has continued to dominate with younger users. By the end of 2021, kids and teens were watching an average of 91 minutes of TikTok per day compared with just 56 minutes per day spent watching YouTube, on a global basis. https://techcrunch.com/2022/07/13/kids-and-teens-watch-more-tiktok-than-youtube-tiktok-91-minutes-in-2021-youtube-56/
TikTok key statistics
* TikTok generated an estimated $4.6 billion revenue in 2021, a 142% increase year-on-year
* TikTok had 1.2 billion monthly active users in Q4 2021 and is expected to reach 1.8 billion by the end of 2022
* In China, TikTok is accessed by over 600 million users daily
* TikTok has been downloaded over three billion times
https://www.businessofapps.com/data/tik-tok-statistics/
Music Genome Project
Recommender systems
Concepts
• Collective intelligence Relevance Star ratings Long tail
Methods and challenges
• Cold start Collaborative filtering Dimensionality reduction Implicit data collection Item-item collaborative filtering Matrix factorization Preference elicitation Similarity search
Implementations
• Collaborative search engine Content discovery platform Decision support system Music Genome Project Product finder
Research
• GroupLens Research MovieLens Netflix Prize ACM Conference on Recommender Systems
• vte
The mark is owned by the company Pandora Media, Inc.
The Music Genome Project is an effort to "capture the essence of music at the most fundamental level" using various attributes to describe songs and mathematics to connect them together into an interactive map. The Music Genome Project covers five music genres: Pop/Rock, Hip-Hop/Electronica, Jazz, World Music, and Classical.
Any given song is represented by approximately 450 "genes" (analogous to trait-determining genes for organisms in the field of genetics). Each gene corresponds to a characteristic of the music, for example, gender of lead vocalist, prevalent use of groove, level of distortion on the electric guitar, type of background vocals, etc. Rock and pop songs have 150 genes, rap songs have 350, and jazz songs have approximately 400. Other genres of music, such as world and classical music, have 300–450[1] genes. The system depends on a sufficient number of genes to render useful results. Each gene is assigned a number between 0 and 5, in half-integer increments.[2] The Music Genome Project's database is built using a methodology that includes the use of precisely defined terminology, a consistent frame of reference, redundant analysis, and ongoing quality control to ensure that data integrity remains reliably high.[1]
Given the vector of one or more songs, a list of other similar songs is constructed using what the company calls its "matching algorithm". Each song is analyzed by a musician in a process that takes 20 to 30 minutes per song.[3] Ten percent of songs are analyzed by more than one musician to ensure conformity with the in-house standards and statistical reliability.
https://en.wikipedia.org/wiki/Music_Genome_Project
https://www.oii.ox.ac.uk/news-events/coverage/will-algorithms-always-be-biased/
Victoria Nash is the Director, an Associate Professor, and Senior Policy Fellow at the Oxford Internet Institute (OII) https://www.oii.ox.ac.uk/people/profiles/victoria-nash/
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