September 10 is Swap Ideas Day. It is a day to share thoughts, barter goods, exchange ideas, trade opinions and discuss viewpoints with family members, friends, co-workers and strangers. This unofficial holiday is a celebration of the collaborative spirit. It promotes the notion that knowledge grows best when shared and that best ideas come about through teamwork. After all, two (or more) heads are better than one! Did You Know… …that the use of the word swap originated in