Time to create videos and storage space is too small. Students will do the presentation sent the teachers did not finish at all students with teachers rarely use.
Time to create videos and too little space to store a presentation to teachers, students did not finish the story. It makes students and teachers rarely used.
The time to create the video and space to store too little, the students will do presentation send the teacher, ไม่จบเรื่อง, make teacher and student is not in use.