Here is a great take on circles: http://www.spamrecycling.com/open.php?reqVersion=8&redirectURL=open.php&senderid=&mode=5
So what is a circle?
Why to they capture our imaginations? Why are crop designs circles? What is the mythology behind a circle? How do you encounter circles on a daily basis? What does a circle mean to you?
How can circles be used in New Media? Have you ever used an iPod? How does it deal with circles?