They can be used as a bookmark or to attach a note to something. Stickies can also be used for important reminders like birthdays or anniversaries. They're perfect for studying purposes like highlighting sections of text or writing down important facts you need to remember.

Sticky notes are a good tool for organizing information; they are easy to move and reorganize. As the group discusses its shared ideas, organize similar ideas into "clumps." Be certain that all participants are in agreement about the clumping that is done. 

It processes our brains to remember more, slows down our thought process, helps to retain information for a longer time.