Wordle is a website that generates word clouds where more frequent words in a provided text are displayed more prominently, allowing users to tweak and customize the clouds before saving or sharing their creations.

2. HOW WORDLE WORKS?
• generating “word clouds”
• give greater prominence to words
• tweak your clouds
• images you create are yours.
• can print them out, or save and share.
http://www.wordle.net/