how to show your mailing list their "place in line" when signing up for a new product?
They also generate a unique "share link" that can bump you up in line, depending on how many people sign up using that link.
Here is an example of a site that uses it.
https://www.streem.com
I was somewhere around 15,000th in line for launch when I first signed up, but sharing the link on facebook bumped me up to ~1900 in line since a few friends entered their email addresses.
I think this is a genius way to grow your mailing list, just because it gives people an incentive to share your site. Even if getting "bumped up" in line really doesn't really matter.
Does anyone know what they use to accomplish this?
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