PostIt Notes lets create colorful sticky note on your desktop and send them to others. You can use them for messages, reminders, telephone notes, to-do lists, Web and email addresses, office memos or anything else. You can easily change the color and size of each notes as you wish, set them to ring an alarm at a specified time, lock them to protect their contents and move them off the screen by hiding them. They stay around even when you turn your computer off. You can also send your notes to other people via email.