25% of Russians live in the countryside, but there's countryside and countryside... say that 15% of Russians live far from town, 20 million because that's such a round number. At $20 billion for Sphere, that's $1k per potential user. If people live in two-person households, $2k per potential customer. If 30% sign up, $6k investment per customer, to be recovered from customer income within the lifetime of a satellite.<p>Sphere will need many, many customers outside Russia to be viable.