Over at Speak Up Anna Addison has taken the opportunity to do so and writes an essay called "If you're Bad we're Going to McDonalds." which mulls on the topic of the explosive rise in child obesity and designers responsibility in it all. The essay is part of a series by Portfolio Center students who took part in Bryony's long-distance Design Thinking class during the quarter of winter 2005. Another essay in this series is Marissa Kraxberger's Designing for Deception. Have a look.