Popup Opt-in Forms: Case Studies, WordPress Plugins, and Alternatives
Kikolani
MAY 28, 2013
In this post, I’m going to share my research into popup opt-in forms: who’s using them, case studies, WordPress plugins, and the alternatives for building your mailing list. The list of website’s and blogs using popup opt-in forms today include some of the most respected, well-known in the industry.
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