For more info, check out: E-mail Permission Marketing: It Works! E-mail Permission Marketing Fundamentals How to Measure the CTR of Your E-Mail Permission Marketing Campaign with Google Analytics A Guide to Permission Marketing – – – <A HREF=”http://ws.amazon.com/widgets/q?ServiceVersion=20070822&MarketPlace=US&ID=V20070822%2FUS%2Fhttpwwwidacon-20%2F8003%2F3077e1b7-9ba3-4d50-8187-820271470ea6&Operation=NoScript” mce_HREF=”http://ws.amazon.com/widgets/q?ServiceVersion=20070822&MarketPlace=US&ID=V20070822%2FUS%2Fhttpwwwidacon-20%2F8003%2F3077e1b7-9ba3-4d50-8187-820271470ea6&Operation=NoScript”>Amazon.com Widgets</A>