Twitter rolling out Twitter Blue feature, so now people will pay Twitter for sale of their profiles to advertisers just to get access to so called paid features. On the other side of the spectrum is Mastodon totally open source and free from advertisers. Now we can say that even if you pay for something you can still be a product.
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!