JAB_Creations - 4:53 am on Apr 17, 2010 (gmt 0)
Rosenthal, that pretty much explains everything right there.
The original meaning would have been a person who saw the value in giving something away for free.
The corrupted version...well, people like Icahn and Murdoch are all you need to think about in comparison.
If you know you know, and if you don't then you really don't.