Providing an on-line electronic bulletin board for transmission of messages among computer users concerning topics of interest for teachers and school administrators; providing electronic bulletin boards for transmission of messages among users in the field of general interest; satellite, cable, network transmission of sounds, images, signals and data; streaming of audio material on the Internet; streaming of video material on the Internet; webcasting services

'administr':24 'among':13,33 'audio':53 'board':8,28 'bulletin':7,27 'cabl':42 'comput':14 'concern':16 'data':50 'electron':6,26 'field':37 'general':39 'imag':47 'interest':19,40 'internet':57,64 'line':5 'materi':54,61 'messag':12,32 'network':43 'on-lin':3 'provid':1,25 'satellit':41 'school':23 'servic':66 'signal':48 'sound':46 'stream':51,58 'teacher':21 'topic':17 'transmiss':10,30,44 'user':15,34 'video':60 'webcast':65

TRANSFORMING TEXTBOOKS

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