Although this is a pretty old article, I think it's still pretty relevant. Interestingly, a colleague of mine has graduated on the subject by designing an augm

Although this is a pretty old article, I think it's still pretty relevant. Interestingly, a colleague of mine has graduated on the subject by designing an augmented dinner plate to help people adjust their speed of eating: http://www.lissakooijman.nl/changing%20eating%20patterns.htm http://www.lissakooijman.nl/changing%20eating%20patterns.htm She's currently working with dieticians and people suffering from obesity to develop this into a product. I don't know all the details, but they certainly seem to benefit from changing their eating habits.