A device that will alert the barman that you need another beer, just think of the calories saved.
http://news.bbc.co.uk/1/hi/technology/4298344.stm
Must be a Dutch beer all head and no body
http://news.bbc.co.uk/1/hi/technology/4298344.stm
![](http://newsimg.bbc.co.uk/media/images/40861000/jpg/_40861116_beermat_long.jpg)
Must be a Dutch beer all head and no body
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