The Miami Ad School students are really stepping it up, and here is a great example from Alexander Norling & Sara Uhelski, who have created ‘Size You’. A Bookmarklet that once dragged into your browser bar, will automatically check your perfect clothing size on any online store, so you never have to return something you bought online again!
The concept is simple, measure yourself once, enter the details on the Bookmarklet site, drag it into your browser bar and then where ever you shop, on the item page, just hit the ‘SizeYou’ Bookmarklet and it will match that items measurements against yours, to tell you the perfect size to buy. This would save me all sorts of online shopping pain!

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And it’s exactly the same thing. Still a great idea though!
http://www.youtube.com/watch?feature=player_embedded&v=4w1kWdLEL9I
Loads of startups are trying to crack this problem and none of them have cracked it.
This is why I hate ad schools.
Ideas are meaningless without reality. Go off and try and BUILD this idea. Then we can talk.