Explaining Co-Registration

"In your article 'Building E-Zine Subscriptions through Co-Registration Pop-Unders,' in the June 25th issue, you didn't explain what 'co-registration' was. I've never heard the term before." -- Kendall Simmons, Acorn WebWorks

I'm sorry I didn't define the term in my original answer. Co-registration means subscribing to one or several e-zines (e-mail newsletters) at once that are offered to you, usually in a pop-under box that appears upon leaving a website.

Some co-registration systems work something like banner sharing schemes of old. You sign up with a company to include a snippet of JavaScript code on each of your webpages that causes a pop-under window to appear any time a visitor leaves your website. The pop-under window contains a subscription form that allows your visitors to opt in to one or more of the eight e-zines (e-mail newsletters) listed in the pop-under, thus "co-registering" or subscribing them to several e-zines at once. For your cooperation in displaying the pop-under, your e-zine is listed as one of the eight e-zines in proportion to the number of times the pop-up appears on your site. The owner of the co-registration system is compensated by controlling one or more of the eight sign-up slots, building his own list or selling subscriptions to companies that want to build their subscriber lists on a pay-per-subscription basis. I don't use such a co-registration system for the reasons stated in my previous answer (www.doctorebiz.com/v7/030625.htm).