41 ARRANGING AND CONDUCTING OF COLLOQUIUMS, CONFERENCES, CONGRESSES, SYMPOSIUMS; ORGANIZATION OF EXHIBITIONS FOR CULTURAL OR EDUCATIONAL PURPOSES; SCHEDULING TELEVISION PROGRAMMING, NAMELY, TELEVISION MEETINGS AND CONFERENCES; EDITING OF ELECTRONIC DATA CARRIES, FILM, VIDEO AND VIDEO TAPE; RENTAL SERVICES OF ELECTRONIC DATA CARRIERS, FILM, VIDEO AND VIDEOTAPE; RENTAL SERVICES OF ELECTRONIC DATA CARRIERS, NAMELY, COMPACT DISCS, RECORDED COMPUTER OPERATING PROGRAMS, RECORDED COMPUTER SOFTWARE, AND OPTICAL DISCS; PUBLICATION OF BOOKS; AND PUBLICATION OF TEXT BOOKS