sukky's notebook entry: My understanding about this site I have started this site for 2 days, and I understand I can followings basically. - writing notebooks on the category of Activities. - writing comments for other people's notebooks. - sending/recieving messages between friends. - writing comments for my/others Blackboards. - asking questions anything. - More actions can use, school, teacher and products, for the extra charge. If I have a missunderstanding or you have a good use. please let me know.