providing online games in the fields of humanities and economics

'econom':10 'field':6 'game':3 'human':8 'onlin':2 'provid':1

providing a web site featuring temporary use of non-downloadable software allowing web users to upload, post and display online videos on a wide variety of educational topics and subjects, such as math, science, humanities, and economics

'allow':13 'display':20 'download':11 'econom':38 'educ':28 'featur':5 'human':36 'math':34 'non':10 'non-download':9 'onlin':21 'post':18 'provid':1 'scienc':35 'site':4 'softwar':12 'subject':31 'temporari':6 'topic':29 'upload':17 'use':7 'user':15 'varieti':26 'video':22 'web':3,14 'wide':25

KHAN ACADEMY

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