Author:Mark Kaufman
Mark Kaufman is a partner at Vivitiv, an issue oriented design firm providing creative services for organizations involved in housing, technology issues, education, the environment, and the arts. His illustrations have appeared in The New York Times, The Progressive, National Lampoon, The Stranger, and The Oxford American. Mr. Kaufman writes and draws the comic strips American Affairs Desk and I Drew This Thing. Mark is Vice President Communications, ICON9 The Illustration Conference and is an editor at Illustration Age.
Mark Kaufman's Illustration Site
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Vivitiv Issue Oriented Design
ILLUSTRATION AGE 
Hey great stuff coming through Mark. But wouldn’t mind getting just one email a day. Three is a bit much. Just sayin’
Thanks,
Jme
@Jme
Thanks for reading and your question regarding the email frequency.
I’m not sure how you subscribed via email, because there are two ways. The envelope email logo is run through Feedburner, and I don’t know of any way to manage email frequency through that, but if you subscribe by clicking on the Follow button in the lower right corner of the site (this one is run by WordPress), then it will send you a confirmation email. One of the options in that email will allow you to change the frequency.
I hope that answers your question and avoids email overload. Cheers.