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Your audience needs somewhere to go to actually join your email list. Even though you can technically start an email list just by emailing people in Gmail or your local email client just saying. The way companies, marketers, entrepreneurs and content creators do this is by sending their audiences to a landing page.
A person did a landing page for his business, helping people sleep better. That it is. Give me your email and I will give you a bonus resources one free tip each week to improve your sleep.
A landing page is a simple web page with an image, a few words and a box where people can input their email address to get future updates. This is where you can offer them the bonus content.
All you need your website to do is to communicate a value proposition and provide a way to capture emails.