Has it ever happened to you? You just love the advertising/packaging/overall design so much, you just buy the product?! Even though you don't need it?
For those of you not studying Graphic Design, Marketing, or anything related to this, you might want to read how stores use science to make you buy things you don't need. (It's a link to Cracked.com, and I must warn you that it is a super addictive website!)