Putting the science of funnel hacking into practice is akin to deconstructing a garment or your favorite dish. By looking at something, pulling it apart and looking at the separate pieces or ingredients that make up the end product, you then learn how to build it yourself. Once your funnel hacking is on point, don't be surprised when you become the master who's being funnel hacked.
The version 3 upgrade changed the structure of how we store pages. Bugs in previous versions made this a difficult transition. New pages store all their data in a much more reliable format. Pages created before this had to be upgraded, but all the data we want for them might not have been present. You may need to edit and resave old pages to get them working again.

Have been through many rounds of A/B testing. Testing and correction is how we learn and better ourselves. A/B testing your landing page (tweaking individual elements and seeing how they perform against the previous setup) is probably the most powerful tool in creating excellent landing pages. Not sure where to start? Signal vs. Noise provides a nice example of good A/B testing that’s an easy read. There are always things you can do to improve, so don’t ever stop testing!
If you try to opt-in with the same information to get another video, they ask you to sign up again. I believe that is their process. Like I said, that creates some friction. Yes, you can enter a fake email, but, if you believe in the quality of the content (and it is really good content; Andrew is one of the best interviewers on the Internet), you won’t.
Steps in Sales Funnel – This lays out for you, point-by-point, each page and step the customer goes through on their way to making a purchase. In some cases, it also works to point out some of the follow-up steps and “if-then” scenarios. For instance, how does the funnel respond “intelligently” to get prospects who didn’t buy to come back to the website?