Actually, the one-to-one emails were only a small part of their business model. Earn has become popular among crypto companies for doing paid mass email campaigns.
If you are on the site as a user it's obvious. You get a lot of paid messages if you sign up for the right lists. Not sure if it will scale, but interesting use of crypto.
Instead of solving the spam problem and giving marketing/sales/recruiting people better tools, they just incentivized people to sign-up for mailing lists that they probably didn't care about.
If you are on the site as a user it's obvious. You get a lot of paid messages if you sign up for the right lists. Not sure if it will scale, but interesting use of crypto.
This is kind of a silly site, but it's one of the few articles I can find on the topic. https://sludgefeed.com/earn-com-becoming-go-to-crypto-advert...