Popup Opt-in Forms: Case Studies, WordPress Plugins, and Alternatives
Kikolani
MAY 28, 2013
You can see it in the above examples for Convince & Convert, Content Marketing Institute, Duct Tape Marketing, and The Sales Lion. You can see it in the above examples for Chris Brogan, Pushing Social, and Lewis Howes. You can also try the free Optin Revolution Lite if you just want basic features without analytics.
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