Dallas Maxim has a really cool application note online about their microcontrollers.
They present a PCB and a Windows software that autmoatically fectes stoxck exchange data off an internet source and displays it on a led bar, sort of like a ticker would. While I am not sure how many of the readers on TamsPalm are stock traders, the ideas presented can be applied to many, many different fields of business.
Read more here:
http://www.maxim-ic.com/appnotes.cfm/appnote_number/3688
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