If you are still wondering how to turn WordPress into a membership website, you may want to check out this interview with Chris Garrett (a high profile blogger) was interviewed on how he has developed several membership sites using WordPress.
WordPress is the ONLY content manager HerMedia endorses. Whether you are creating a BLOG, a corporate website, an ecommerce website, or membership website. WordPress has the ability to grow to meet the needs of an evolving web presence.
The interview with Chris is free click here to check it out.
You can listen on the site or download the mp3.

