I am usually willing to try a "free" offer, knowing that I have to review the small print to know how to avoid charges I don't want to pay, but this offer was obviously carefully crafted to make it difficult to see what would be happening.  I had two $15.99 charges on my credit card bill before I realized they were going to continue charging me for a service I never even used.  Now after reading the Terms and Conditions to find out how to cancel the service I find they'll charge me AGAIN for the "final month!" 

The things they offer up front are fairly attractive--free stamps, a postage meter,...