Post a landing page that converted you to a user

We all know the massive impact of landing pages, specially in the SaaS world.

Let's be practical and give examples of landing pages that successfully converted us to users (paid or not paid).

If you have an example in mind, please let us know what encouraged you the most to sign up.

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P.S.: I'll personally use great examples as an inspiration in my own SaaS, DoTenX.