1 . 60 second Recap 

60 second are  Recap is an a educational videotape are design launched in a September 2009 to  be  give 60-alternate videotape summaries and analysis of the  classic literature. The points are in the  provides one- nanosecond videotape is a   narrative on the plot, themes, characters, symbols, motifs, and other aspects of the  books are a generally in  the  studied in the secondary seminaries in a North America. 

 A time to the  after its launch, 60 second of Recap’s  in the  website  are offered over all 400 vids covering in 35 classic erudite  workshop and 60 contemporary are titles. It has been also  entered in the further than 4.5 million in the  website are  visits. (1) During it is  alternate of the time, 60 second Recap is a continued to add to its content  in the  library, with a  new 60 second Recap  in the  videotape” compendiums”of 10-15 individual  in vids covering  in the colorful aspects of a work  the similar as the  Beowulf or Hamlet. The website are the   presently presents to the roughly 800 vids. compassing  in the 42 classic in  the erudite to the   workshop, and over all  the 250 reviews of the contemporary in  the books of the  implicit interest to the teenagers.

 Classroom acceptance 

60 second are  in the Recap won acceptance in the  seminaries, still, (1) and preceptors said they are  plant it in the effective in the sparking of the classroom in conversations. (8) 60 second are  Recap was also cited by the  special in the  education of  the  preceptors as a pedagogical tool for the scholars who have to a literacy disabilities that intrude with in their on capability to the comprehend in the  written material. 

 2 . Academic Earth

Academic in the  Earth is a website are launched on the  March 24, 2009, by Richard  Lud low and co-founders of the  Chris Bruner and Liam  Pisano,  which offers can  be free online videotape courses and the academic lectures from  in the world’s top most  universities are  similar as U C Berkeley, UCLA, University of the Michigan, University of Oxford, Harvard, MIT, Princeton, Stanford, and Yale.  It is a  considered a hunt of the   machine for a full- textbook in the  scholarly information, with a videotape courses are  covering to the around the 50 primary subject are  disciplines in  the ranging from the Trades and Design, Astronomy, Biology, Chemistry, Computer Science, Economics, Engineering, English, Entrepreneurship, History, Humanities, Law, Mathematics, Medicine, Philosophy, Physics, Political Science, Psychology, Religion, and Statistics.

 3.  Coursera

Coursera  Inc is a U.S.- grounded in  the  massive to the  open a online course provider are the  innovated in the 2012  by Stanford in  the University the  computer wisdom professors Andrew N g and Daphne Koller. (8) Coursera  in  the works with a universities and other associations to the offer online courses, instruments, and the degrees in a variety of the subjects. In 2021 it was a estimated that about 150 universities are offered further than  the courses through in the Coursera. 


Coursera’s earnings to the rose from $ 184 million in 2019 to$ 294 million in the  2020. To date, Coursera has not too be the  made a profit. The company are lost $ 66 million in 2020 as they are ramped up to  the marketing and advertising. 

 For the first quarter in 2021, Coursera are the   reported in  profit of $ 88.4 million, up 64 from a time  before, with a net of  loss of $ 18.7 million, or $ 13.4 million on anon-G A A P base.  Coursera are said to be the  consumer profit was $ 51.9 million, up 61, while a enterprise in the  profit was $ 24.5 million, up too  63, and the degree of programs had a profit of $ 12 million, up too 81. 

 For the third quarter in 2021, Coursera are reported to profit of $ 109.9 million, over all  33 from $ 82.7 million of a time ago. Gross the  profit was $ 67.7 million or 61.6 of profit. Net loss was $ (32.5) million or (29.5) of profit. 


The incipiency raised an original$ 16 million backing round backed by Kleiner Perkins Caufield & Byers and New Enterprise Associates. In 2013, G S V led to  the Series B investment, which is totaled $ 63 million. In 2015, N E A led to  the Series C round of the adventure in backing, which are totaled further than$ 60 million. In 2017, the company are raised $ 64 million from its has  being to investors in the  Series D round of the backing. In 2019, the company are raised $ 103 million in the  Series E round of backing from the SEEK of Group, Future Fund and N E A. The company are  reached valuation of the $ 1 billion in the  2019. In July 2020, the company are  blazoned it had been raised $ 130 million in the  Series F backing and the  streamlining its valuation to $ 2.5 billion. 

 Business model 

 In September 2013, it was a  blazoned it had earned $ 1 million in a  profit through in  the trade of the  vindicated of  the instruments that authenticate  are successful course completion. (21) Coursera first rolled are out a series of the  figure- grounded course options, which is  the  included vindicated credentials for a completion, in 2013. (22) As of October 2015, the company had been a  raised to a aggregate of $146.1 million in  the adventure  in capital. 

   4. Crash Course 

Crash Course are  ( occasionally stylized as Crash Course) is an a educational YouTube channel are  started by John and Hank Green ( inclusively the Green sisters), who  is the first achieved personality on the YouTube platform through their  in Vlog  brothers channel. 

 Crash Course was a  one of the hundred original channels are funded by YouTube’s$ 100 million original channel are  action. The channel are launched a exercise on December 2, 2011, and as of January 2021, it has been accumulated over all  12 million subscribers and 1.5 billion videotape views. (4) The channel is  launched with John and Hank presenting their separate World History and Biology in series; the early history of the channel  is continued the trend of  the John and Hank presenting humanities and wisdom courses, independently. (5) In November 2014, Hank blazoned a cooperation with a PBS Digital Studios, which would you allow the channel to produce  the further courses. As a result, are  multiple fresh hosts joined to the show to increase the number of the  concurrent series. 


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