http://www.forbes.com/sites/cherylsnappconner/2013/03/11/report-how-grammar-influences-your-income/

I'm filing this under the "no shit" category.

It's a lost art.

I think I will file this article under "What a Asshole writes about when they think they are better than everyone else"

With footnotes from the not so smart grammar peopel:
Richard Branson
Charles Schwab
John Chambers
David Boies
Graig McCaw
John Reed
Donald Winkler
Paul Orfalea
Winston Churchill
Albert Einstien
Walt Disney

I might argue, since their sample came from linkedin, that movers & shakers are far more likely to put some time into their profile. If you're a mid-level manager, you probably care quite a bit more about what your profile says than someone else.