Yes. With the exception of telephony, each of those industries also delivers material/entertainment/comfort value. Telephony is just voice communication and ben

Yes. With the exception of telephony, each of those industries also delivers material/entertainment/comfort value. Telephony is just voice communication and benefits from a network effect and natural monopoly. Facebook has a far more sophisticated model of communication but is most similar to telephony. The difference between Facebook and telephony is striking. You pay for a telephone connection. Other people pay for your Facebook experience to be mediated to their wishes. Telephony is p2p and we typically frown on operator intervention and worry about excessive centralization. Facebook could be p2p but is centralized and has heavy operator intervention. Offering communications services for free and then attempting to 'monetize' the interactions that you mediate is distasteful.