> An ad based model is 100% progressive though unlike any normal scheme. For example a homeless guy pay basically nothing for browsing Facebook ... A system in

> An ad based model is 100% progressive though unlike any normal scheme. For example a homeless guy pay basically nothing for browsing Facebook ... A system in which a poor person making $30k/year and spends $500/year on products or content advertised via Facebook versus a rich person who makes $1M/year and spends $10k on products/content via facebook is not exactly progressive. The poor person ends up paying 1.6% of their income, while the rich person spends 0.1%. The poor person spends 16X of their takehome earnings than the rich person, not exactly progressive.