25 Mind Blowing Email Marketing Stats

Here's a collection of email marketing stats from a variety sources compiled by Salesforce.com.  Some most pertinent to place marketers:

1.      33% of email recipients open email based on subject line alone. #marketingcloud Source: convinceandconvert.com

2.      Subject lines fewer than 10 characters long had an open rate of 58%. #marketingcloud Source: Adestra July 2012 Report

3.      Emails that include social sharing buttons have a 158% higher click- through rate. #marketingcloud Source: GetResponse

4.      For every $1 spent, $44.25 is the average return on email marketing investment. #marketingcloud Source: Experian

5.      64% of decision-makers read their email via mobile devices. #marketingcloud Source: TopRankBlog

More here.