From ‘E-mail’ to ‘Email’: Dropping Hyphens Like They’re Hot Read more: New York Times Updates Stylebook--and Puts Some Hyphens to Rest

As of this week, reporters at the New York Times will no longer refer to e-mail. They will, instead, refer to email. The discarded hyphen comes with a batch of other updates to the Gray Lady’s stylebook—and in a time when hyphens have reason to be out of favor.

http://newsfeed.time.com/2013/10/30/from-e-mail-to-email-dropping-hyphens-like-theyre-hot/