Wikipedia ran in 2018 on about US$ ~80 million, can't see why WhatsApp or Signal can't keep up a messaging service for much more than that. Even more given Wha

Wikipedia ran in 2018 on about US$ ~80 million, can't see why WhatsApp or Signal can't keep up a messaging service for much more than that. Even more given WhatsApp history of being a very efficient company, supporting hundreds of millions of users with 50 engineers.