May I request with due respect; - 1 . Progromme presentation will be more effective the CAMERA should be focus on the PowerPoint slideshows . 2.We can listen and read the details on the slides. Also, 3 . when explaing about medication or books the CAMERA shoul ZOOM in the objects/subject. The viewers can NOT see or read the titles. 4. Speaking too quick. Thanks for your useful and educational I formation. Much appreciated for your valuable lecture.