Jonathan Hassell

President -

The Sun Valley Group, Inc. -


Jonathan Hassell is an author, consultant and speaker residing in Charlotte, N.C. His books include RADIUS, Hardening Windows and, most recently, Windows Vista: Beyond the Manual.

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RT @grattonboy: All Jay-Z's problems have been undone by his brother, Ctrl-Z.

6:09 PM - 26 Nov 14
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