It's definitely useful. Calls to action work wonders at the end of engaging content. You're essentially giving engaged readers a clear sign of what's next. T

It's definitely useful. Calls to action work wonders at the end of engaging content. You're essentially giving engaged readers a clear sign of what's next. That being said, I have to disagree with the removal of the email boundary. Requiring a small bit of personal information will often lower conversion rates early on, but can often boost conversion rates later on in you sales funnel. It also gives you a great follow-thru communication channel.