Design of computer software for providing online live business teleconferencing presentations featuring live exchange between participants of preselected reaction icons; programming of computer software for providing online live business teleconferencing presentations featuring live exchange between participants of preselected reaction icons; maintenance of computer software for providing online live business teleconferencing presentations featuring live exchange between participants of preselected reaction icons; providing temporary use of online non-downloadable web applications for providing online live business teleconferencing presentations featuring live exchange between participants of preselected reaction icons; providing online non-downloadable computer programs for providing online live business teleconferencing presentations featuring live exchange between participants of preselected reaction icons