There was App.net once ... Where you have to actually pay to use it [1] and it was ad-free twitter clone. It failed. 1 : https://en.wikipedia.org/wiki/App.net

There was App.net once ... Where you have to actually pay to use it [1] and it was ad-free twitter clone. It failed. 1 : https://en.wikipedia.org/wiki/App.net https://en.wikipedia.org/wiki/App.net